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Rabbani M, Salehani AA, Farnaghi M, Moshtaghi M. Plant Decellularization by Chemical and Physical Methods for Regenerative Medicine: A Review Article. JOURNAL OF MEDICAL SIGNALS & SENSORS 2024; 14:10. [PMID: 38993202 PMCID: PMC11111131 DOI: 10.4103/jmss.jmss_20_22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2022] [Revised: 11/07/2023] [Accepted: 12/28/2023] [Indexed: 07/13/2024]
Abstract
Fabricating three-dimensional (3D) scaffolds is attractive due to various advantages for tissue engineering, such as cell migration, proliferation, and adhesion. Since cell growth depends on transmitting nutrients and cell residues, naturally vascularized scaffolds are superior for tissue engineering. Vascular passages help the inflow and outflow of liquids, nutrients, and waste disposal from the scaffold and cell growth. Porous scaffolds can be prepared by plant tissue decellularization which allows for the cultivation of various cell lines depending on the intended application. To this end, researchers decellularize plant tissues by specific chemical and physical methods. Researchers use plant parts depending on their needs, for example, decellularizing the leaves, stems, and fruits. Plant tissue scaffolds are advantageous for regenerative medicine, wound healing, and bioprinting. Studies have examined various plants such as vegetables and fruits such as orchid, parsley, spinach, celery, carrot, and apple using various materials and techniques such as sodium dodecyl sulfate, Triton X-100, peracetic acid, deoxyribonuclease, and ribonuclease with varying percentages, as well as mechanical and physical techniques like freeze-thaw cycles. The process of data selection, retrieval, and extraction in this review relied on scholarly journal publications and other relevant papers related to the subject of decellularization, with a specific emphasis on plant-based research. The obtained results indicate that, owing to the cellulosic structure and vascular nature of the decellularized plants and their favorable hydrophilic and biological properties, they have the potential to serve as biological materials and natural scaffolds for the development of 3D-printing inks and scaffolds for tissue engineering.
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Affiliation(s)
- Mohsen Rabbani
- Department of Biomedical Engineering, Faculty of Engineering, University of Isfahan, Isfahan, Iran
| | - Alireza A. Salehani
- Department of Biomedical Engineering, Faculty of Engineering, University of Isfahan, Isfahan, Iran
| | - Mohammadhasan Farnaghi
- Department of Biomaterials and Tissue Engineering, School of Advanced Technologies in Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Maryam Moshtaghi
- Department of Biomedical Engineering, Faculty of Engineering, University of Isfahan, Isfahan, Iran
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Procházková A, Poláchová M, Dítě J, Netuková M, Studený P. Chemical, Physical, and Biological Corneal Decellularization Methods: A Review of Literature. J Ophthalmol 2024; 2024:1191462. [PMID: 38567029 PMCID: PMC10985644 DOI: 10.1155/2024/1191462] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2023] [Revised: 02/28/2024] [Accepted: 03/08/2024] [Indexed: 04/04/2024] Open
Abstract
The cornea is one of the most commonly transplanted tissues worldwide. It is used to restore vision when severe visual impairment or blindness occurs in patients with corneal diseases or after trauma. Due to the global shortage of healthy donor corneas, decellularized corneal tissue has significant potential as an alternative to corneal transplantation. It preserves the native and biological ultrastructure of the cornea and, therefore, represents the most promising scaffold. This article discusses different methods of corneal decellularization based on the current literature. We searched PubMed.gov for articles from January 2009 to December 2023 using the following keywords: corneal decellularization, decellularization methods, and corneal transplantation. Although several methods of decellularization of corneal tissue have been reported, a universal standardised protocol of corneal decellularization has not yet been introduced. In general, a combination of decellularization methods has been used for efficient decellularization while preserving the optimal properties of the corneal tissue.
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Affiliation(s)
- Alexandra Procházková
- Department of Ophthalmology, Kralovske Vinohrady University Hospital and 3rd Medical Faculty, Srobarova 1150/50, Prague 10 100 34, Czech Republic
| | - Martina Poláchová
- Department of Ophthalmology, Kralovske Vinohrady University Hospital and 3rd Medical Faculty, Srobarova 1150/50, Prague 10 100 34, Czech Republic
| | - Jakub Dítě
- Department of Ophthalmology, Kralovske Vinohrady University Hospital and 3rd Medical Faculty, Srobarova 1150/50, Prague 10 100 34, Czech Republic
| | - Magdaléna Netuková
- Department of Ophthalmology, Kralovske Vinohrady University Hospital and 3rd Medical Faculty, Srobarova 1150/50, Prague 10 100 34, Czech Republic
| | - Pavel Studený
- Department of Ophthalmology, Kralovske Vinohrady University Hospital and 3rd Medical Faculty, Srobarova 1150/50, Prague 10 100 34, Czech Republic
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Li X, Zhao W, Zhou D, Li P, Zhao C, Zhou Q, Wang Y. Construction of Integral Decellularized Cartilage Using a Novel Hydrostatic Pressure Bioreactor. Tissue Eng Part C Methods 2024; 30:113-129. [PMID: 38183634 DOI: 10.1089/ten.tec.2023.0265] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2024] Open
Abstract
The decellularized extracellular matrix (ECM) of cartilage is a widely used natural bioscaffold for constructing tissue-engineered cartilage due to its good biocompatibility and regeneration properties. However, current decellularization methods for accessing decellularized cartilaginous tissues require multiple steps and a relatively long duration to produce decellularized cartilage. In addition, most decellularization strategies lead to damage of the microstructure and loss of functional components of the cartilaginous matrix. In this study, a novel decellularization strategy based on a hydrostatic pressure (HP) bioreactor was introduced, which aimed to improve the efficiency of producing integral decellularized cartilage pieces by combining physical and chemical decellularization methods in a perfusing manner. Two types of cartilaginous tissues, auricular cartilage (AC) and nucleus pulposus (NP) fibrocartilage, were selected for comparison of the effects of ordinary, positive, and negative HP-based decellularization according to the cell clearance ratio, microstructural changes, ECM components, and mechanical properties. The results indicated that applying positive HP improved the efficiency of producing decellularized AC, but no significant differences in decellularization efficiency were found between the ordinary and negative HP-treated groups. However, compared with the ordinary HP treatment, the application of the positive or negative HP did not affect the efficiency of decellularized NP productions. Moreover, neither positive nor negative HP influenced the preservation of the microstructure and components of the AC matrix. However, applying negative HP disarranged the fibril distribution of the NP matrix and reduced glycosaminoglycans and collagen type II contents, two essential ECM components. In addition, the positive HP was beneficial for maintaining the mechanical properties of decellularized cartilage. The recellularization experiments also verified the good biocompatibility of the decellularized cartilage produced by the present bioreactor-based decellularization method under positive HP. Overall, applying positive HP-based decellularization resulted in a superior effect on the production of close-to-natural scaffolds for cartilage tissue engineering. Impact statement In this study, we successfully constructed a novel hydrostatic pressure (HP) bioreactor and used this equipment to produce decellularized cartilage by combining physical and chemical decellularization methods in a perfusing manner. We found that positive HP-based decellularization could improve the production efficiency of integral decellularized cartilage pieces and promote the maintenance of matrix components and mechanical properties. This new decellularization strategy exhibited a superior effect in the production of close-to-natural scaffolds and positively impacts cartilage tissue engineering.
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Affiliation(s)
- Xiaoxiao Li
- Department of Orthopedics, The Third Affiliated Hospital of Chongqing Medical University, Chongqing, China
- Tissue Repairing and Biotechnology Research Center, The Third Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Weikang Zhao
- Department of Orthopedics, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Dandan Zhou
- Department of Gastroenterology, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, China
- Department of Gastroenterology, Jiulongpo People's Hospital of Chongqing, Chongqing, China
| | - Pei Li
- Department of Orthopedics, The Third Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Chen Zhao
- Department of Orthopedics, The Third Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Qiang Zhou
- Department of Orthopedics, The Third Affiliated Hospital of Chongqing Medical University, Chongqing, China
- Tissue Repairing and Biotechnology Research Center, The Third Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Yiyang Wang
- Department of Orthopedics, The Third Affiliated Hospital of Chongqing Medical University, Chongqing, China
- Tissue Repairing and Biotechnology Research Center, The Third Affiliated Hospital of Chongqing Medical University, Chongqing, China
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Gadre M, Kasturi M, Agarwal P, Vasanthan KS. Decellularization and Their Significance for Tissue Regeneration in the Era of 3D Bioprinting. ACS OMEGA 2024; 9:7375-7392. [PMID: 38405516 PMCID: PMC10883024 DOI: 10.1021/acsomega.3c08930] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/09/2023] [Revised: 12/19/2023] [Accepted: 01/10/2024] [Indexed: 02/27/2024]
Abstract
Three-dimensional bioprinting is an emerging technology that has high potential application in tissue engineering and regenerative medicine. Increasing advancement and improvement in the decellularization process have led to an increase in the demand for using a decellularized extracellular matrix (dECM) to fabricate tissue engineered products. Decellularization is the process of retaining the extracellular matrix (ECM) while the cellular components are completely removed to harvest the ECM for the regeneration of various tissues and across different sources. Post decellularization of tissues and organs, they act as natural biomaterials to provide the biochemical and structural support to establish cell communication. Selection of an effective method for decellularization is crucial, and various factors like tissue density, geometric organization, and ECM composition affect the regenerative potential which has an impact on the end product. The dECM is a versatile material which is added as an important ingredient to formulate the bioink component for constructing tissue and organs for various significant studies. Bioink consisting of dECM from various sources is used to generate tissue-specific bioink that is unique and to mimic different biometric microenvironments. At present, there are many different techniques applied for decellularization, and the process is not standardized and regulated due to broad application. This review aims to provide an overview of different decellularization procedures, and we also emphasize the different dECM-derived bioinks present in the current global market and the major clinical outcomes. We have also highlighted an overview of benefits and limitations of different decellularization methods and various characteristic validations of decellularization and dECM-derived bioinks.
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Affiliation(s)
- Mrunmayi Gadre
- Manipal
Centre for Biotherapeutics Research, Manipal
Academy of Higher Education, Manipal 576104, Karnataka, India
| | - Meghana Kasturi
- Department
of Mechanical Engineering, University of
Michigan, Dearborn, Michigan 48128, United States
| | - Prachi Agarwal
- Manipal
Centre for Biotherapeutics Research, Manipal
Academy of Higher Education, Manipal 576104, Karnataka, India
| | - Kirthanashri S. Vasanthan
- Manipal
Centre for Biotherapeutics Research, Manipal
Academy of Higher Education, Manipal 576104, Karnataka, India
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Zhang F, Gao H, Jiang X, Yang F, Zhang J, Song S, Shen J. Biomedical Application of Decellularized Scaffolds. ACS APPLIED BIO MATERIALS 2023; 6:5145-5168. [PMID: 38032114 DOI: 10.1021/acsabm.3c00778] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2023]
Abstract
Tissue loss and end-stage organ failure are serious health problems across the world. Natural and synthetic polymer scaffold material based artificial organs play an important role in the field of tissue engineering and organ regeneration, but they are not from the body and may cause side effects such as rejection. In recent years, the biomimetic decellularized scaffold based materials have drawn great attention in the tissue engineering field for their good biocompatibility, easy modification, and excellent organism adaptability. Therefore, in this review, we comprehensively summarize the application of decellularized scaffolds in tissue engineering and biomedicine in recent years. The preparation methods, modification strategies, construction of artificial tissues, and application in biomedical applications are discussed. We hope that this review will provide a useful reference for research on decellularized scaffolds and promote their application tissue engineering.
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Affiliation(s)
- Fang Zhang
- National and Local Joint Engineering Research Center of Biomedical Functional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing 210023, China
| | - Huimin Gao
- National and Local Joint Engineering Research Center of Biomedical Functional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing 210023, China
| | - Xuefeng Jiang
- National and Local Joint Engineering Research Center of Biomedical Functional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing 210023, China
| | - Fang Yang
- National and Local Joint Engineering Research Center of Biomedical Functional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing 210023, China
| | - Jun Zhang
- National and Local Joint Engineering Research Center of Biomedical Functional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing 210023, China
| | - Saijie Song
- National and Local Joint Engineering Research Center of Biomedical Functional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing 210023, China
| | - Jian Shen
- National and Local Joint Engineering Research Center of Biomedical Functional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing 210023, China
- Jiangsu Engineering Research Center of Interfacial Chemistry, Nanjing University, Nanjing 210023, China
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Bhattacharjee P, Madden PW, Patriarca E, Ahearne M. Optimization and evaluation of oxygen-plasma-modified, aligned, poly (Є-caprolactone) and silk fibroin nanofibrous scaffold for corneal stromal regeneration. BIOMATERIALS AND BIOSYSTEMS 2023; 12:100083. [PMID: 37731910 PMCID: PMC10507194 DOI: 10.1016/j.bbiosy.2023.100083] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2023] [Revised: 08/28/2023] [Accepted: 09/02/2023] [Indexed: 09/22/2023] Open
Abstract
The shortage of human donor corneas for transplantation necessitates the exploration of tissue engineering approaches to develop corneal substitutes. However, these substitutes must possess the necessary strength, transparency, and ability to regulate cell behaviour before they can be used in patients. In this study, we investigated the effectiveness of an oxygen plasma surface-modified poly-ε-caprolactone (PCL) combined with silk fibroin (SF) nanofibrous scaffold for corneal stromal regeneration. To fabricate the electrospun scaffolds, PCL and SF blends were used on a rotating mandrel. The optimization of the blend aimed to replicate the structural and functional properties of the human cornea, focusing on nanofibre alignment, mechanical characteristics, and in vitro cytocompatibility with human corneal stromal keratocytes. Surface modification of the scaffold resulted in improved transparency and enhanced cell interaction. Based on the evaluation, a composite nanofibrous scaffold with a 1:1 blend of PCL and SF was selected for a more comprehensive analysis. The biological response of keratocytes to the scaffold was assessed through cellular adhesion, proliferation, cytoskeletal organization, gene expression, and immunocytochemical staining. The scaffold facilitated the adhesion of corneal stromal cells, supporting cell proliferation, maintaining normal cytoskeletal organization, and promoting increased expression of genes associated with healthy corneal stromal keratocytes. These findings highlight the potential of a surface-modified PCL/SF blend (1:1) as a promising scaffolding material for corneal stromal regeneration. The developed scaffold not only demonstrated favourable biological interactions with corneal stromal cells but also exhibited characteristics aligned with the requirements for successful corneal tissue engineering. Further research and refinement of these constructs could lead to significant advancements in addressing the shortage of corneas for transplantation, ultimately improving the treatment outcomes for patients in need.
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Affiliation(s)
- Promita Bhattacharjee
- Trinity Centre for Biomedical Engineering, Trinity Biomedical Sciences Institute, Trinity College Dublin, University of Dublin, Dublin, Ireland
- Department of Mechanical, Manufacturing and Biomedical Engineering, School of Engineering, Trinity College Dublin, University of Dublin, Dublin, Ireland
| | - Peter W. Madden
- Trinity Centre for Biomedical Engineering, Trinity Biomedical Sciences Institute, Trinity College Dublin, University of Dublin, Dublin, Ireland
- Department of Mechanical, Manufacturing and Biomedical Engineering, School of Engineering, Trinity College Dublin, University of Dublin, Dublin, Ireland
| | - Enzo Patriarca
- Department of Mechanical, Manufacturing and Biomedical Engineering, School of Engineering, Trinity College Dublin, University of Dublin, Dublin, Ireland
| | - Mark Ahearne
- Trinity Centre for Biomedical Engineering, Trinity Biomedical Sciences Institute, Trinity College Dublin, University of Dublin, Dublin, Ireland
- Department of Mechanical, Manufacturing and Biomedical Engineering, School of Engineering, Trinity College Dublin, University of Dublin, Dublin, Ireland
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Esmaeili A, Rahimi A, Abbasi A, Hasannejad-Asl B, Bagheri-Mohammadi S, Farjami M, Keshel SH. Processing and post-processing of fish skin as a novel material in tissue engineering. Tissue Cell 2023; 85:102238. [PMID: 37832248 DOI: 10.1016/j.tice.2023.102238] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2023] [Revised: 10/05/2023] [Accepted: 10/06/2023] [Indexed: 10/15/2023]
Abstract
As a natural material, fish skin contains significant amounts of collagen I and III, and due to its biocompatible nature, it can be used to regenerate various tissues and organs. To use fish skin, it is necessary to perform the decellularization process to avoid the immunological response of the host body. In the process of decellularization, it is crucial to conserve the extracellular matrix (ECM) three-dimensional (3D) structure. However, it is known that decellularization methods may also damage ECM strands arrangement and structure. Moreover, after decellularization, the post-processing of fish skin improves its mechanical and biological properties and preserves its 3D design and strength. Also, sterilization, which is one of the post-processing steps, is mandatory in pre-clinical and clinical settings. In this review paper, the fish skin decellularization methods performed and the various post-processes used to increase the performance of the skin have been studied. Moreover, multiple applications of acellular fish skin (AFS) and its extracted collagen have been reviewed.
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Affiliation(s)
- Ali Esmaeili
- Student Research Committee, Department of Tissue Engineering and Applied Cell Sciences, School of Advanced Technologies in Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Azam Rahimi
- Department of Tissue Engineering and Applied Cell Sciences, School of Advanced Technologies in Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Amin Abbasi
- Department of Food Science and Technology, National Nutrition and Food Technology Research Institute, Faculty of Nutrition Science and Food Technology, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Behnam Hasannejad-Asl
- Department of Biotechnology, School of Advanced Technologies in Medicine, Shahid Beheshti, University of Medical Sciences, Tehran, Iran
| | - Saeid Bagheri-Mohammadi
- Department of Physiology and Neurophysiology Research Center, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mohammad Farjami
- Department of Biostatistics, Faculty of Paramedical Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Saeed Heidari Keshel
- Student Research Committee, Department of Tissue Engineering and Applied Cell Sciences, School of Advanced Technologies in Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
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Yu F, Gong D, Yan D, Wang H, Witman N, Lu Y, Fu W, Fu Y. Enhanced adipose-derived stem cells with IGF-1-modified mRNA promote wound healing following corneal injury. Mol Ther 2023; 31:2454-2471. [PMID: 37165618 PMCID: PMC10422019 DOI: 10.1016/j.ymthe.2023.05.002] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2022] [Revised: 04/11/2023] [Accepted: 05/04/2023] [Indexed: 05/12/2023] Open
Abstract
The cornea serves as an important barrier structure to the eyeball and is vulnerable to injuries, which may lead to scarring and blindness if not treated promptly. To explore an effective treatment that could achieve multi-dimensional repair of the injured cornea, the study herein innovatively combined modified mRNA (modRNA) technologies with adipose-derived mesenchymal stem cells (ADSCs) therapy, and applied IGF-1 modRNA (modIGF1)-engineered ADSCs (ADSCmodIGF1) to alkali-burned corneas in mice. The therapeutic results showed that ADSCmodIGF1 treatment could achieve the most extensive recovery of corneal morphology and function when compared not only with simple ADSCs but also IGF-1 protein eyedrops, which was reflected by the healing of corneal epithelium and limbus, the inhibition of corneal stromal fibrosis, angiogenesis and lymphangiogenesis, and also the repair of corneal nerves. In vitro experiments further proved that ADSCmodIGF1 could more significantly promote the activity of trigeminal ganglion cells and maintain the stemness of limbal stem cells than simple ADSCs, which were also essential for reconstructing corneal homeostasis. Through a combinatorial treatment regimen of cell-based therapy with mRNA technology, this study highlighted comprehensive repair in the damaged cornea and showed the outstanding application prospect in the treatment of corneal injury.
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Affiliation(s)
- Fei Yu
- Department of Ophthalmology, Shanghai Ninth People's Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200011, China; Shanghai Key Laboratory of Orbital Diseases and Ocular Oncology, Shanghai 200011, China
| | - Danni Gong
- Department of Ophthalmology, Shanghai Ninth People's Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200011, China; Shanghai Key Laboratory of Orbital Diseases and Ocular Oncology, Shanghai 200011, China
| | - Dan Yan
- Department of Ophthalmology, Shanghai Ninth People's Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200011, China; Shanghai Key Laboratory of Orbital Diseases and Ocular Oncology, Shanghai 200011, China
| | - Huijing Wang
- Institute of Pediatric Translational Medicine, Department of Pediatric Cardiothoracic Surgery, Shanghai Children's Medical Center, School of Medicine, Shanghai Jiao Tong University, Shanghai 200127, China
| | - Nevin Witman
- Department of Clinical Neuroscience, Karolinska Institute, 17177 Stockholm, Sweden
| | - Yang Lu
- Department of Ophthalmology, Shanghai Ninth People's Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200011, China; Shanghai Key Laboratory of Orbital Diseases and Ocular Oncology, Shanghai 200011, China.
| | - Wei Fu
- Institute of Pediatric Translational Medicine, Department of Pediatric Cardiothoracic Surgery, Shanghai Children's Medical Center, School of Medicine, Shanghai Jiao Tong University, Shanghai 200127, China.
| | - Yao Fu
- Department of Ophthalmology, Shanghai Ninth People's Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200011, China; Shanghai Key Laboratory of Orbital Diseases and Ocular Oncology, Shanghai 200011, China.
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Yazdanpanah G, Jalilian E, Shen X, Anwar KN, Jiang Y, Jabbehdari S, Rosenblatt MI, Pan Y, Djalilian AR. The effect of decellularization protocols on characterizations of thermoresponsive and light-curable corneal extracellular matrix hydrogels. Sci Rep 2023; 13:8145. [PMID: 37208411 PMCID: PMC10199007 DOI: 10.1038/s41598-023-35202-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2022] [Accepted: 05/14/2023] [Indexed: 05/21/2023] Open
Abstract
To compare the effects of two decellularization protocols on the characteristics of fabricated COrnea Matrix (COMatrix) hydrogels. Porcine corneas were decellularized with Detergent (De) or Freeze-Thaw (FT)-based protocols. DNA remnant, tissue composition and α-Gal epitope content were measured. The effect of α-galactosidase on α-Gal epitope residue was assessed. Thermoresponsive and light-curable (LC) hydrogels were fabricated from decellularized corneas and characterized with turbidimetric, light-transmission and rheological experiments. The cytocompatibility and cell-mediated contraction of the fabricated COMatrices were assessed. Both protocols reduced the DNA content to < 0.1 µg/mg (native, > 0.5 µg/mg), and preserved the collagens and glycosaminoglycans. The α-Gal epitope remnant decreased by > 50% following both decellularization methods. We observed more than 90% attenuation in α-Gal epitope after treatment with α-galactosidase. The thermogelation half-time of thermoresponsive COMatrices derived from De-Based protocol (De-COMatrix) was 18 min, similar to that of FT-COMatrix (21 min). The rheological characterizations revealed significantly higher shear moduli of thermoresponsive FT-COMatrix (300.8 ± 22.5 Pa) versus De-COMatrix 178.7 ± 31.3 Pa, p < 0.01); while, this significant difference in shear moduli was preserved after fabrication of FT-LC-COMatrix and De-LC-COMatrix (18.3 ± 1.7 vs 2.8 ± 2.6 kPa, respectively, p < 0.0001). All thermoresponsive and light-curable hydrogels have similar light-transmission to human corneas. Lastly, the obtained products from both decellularization methods showed excellent in vitro cytocompatibility. We found that FT-LC-COMatrix was the only fabricated hydrogel with no significant cell-mediated contraction while seeded with corneal mesenchymal stem cells (p < 0.0001). The significant effect of decellularization protocols on biomechanical properties of hydrogels derived from porcine corneal ECM should be considered for further applications.
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Affiliation(s)
- Ghasem Yazdanpanah
- Department of Ophthalmology and Visual Sciences, Illinois Eye and Ear Infirmary, University of Illinois at Chicago, 1855 W. Taylor Street, MC 648, Chicago, IL, 60612, USA
- Department of Bioengineering, University of Illinois at Chicago, Chicago, IL, USA
| | - Elmira Jalilian
- Department of Ophthalmology and Visual Sciences, Illinois Eye and Ear Infirmary, University of Illinois at Chicago, 1855 W. Taylor Street, MC 648, Chicago, IL, 60612, USA
| | - Xiang Shen
- Department of Ophthalmology and Visual Sciences, Illinois Eye and Ear Infirmary, University of Illinois at Chicago, 1855 W. Taylor Street, MC 648, Chicago, IL, 60612, USA
| | - Khandaker N Anwar
- Department of Ophthalmology and Visual Sciences, Illinois Eye and Ear Infirmary, University of Illinois at Chicago, 1855 W. Taylor Street, MC 648, Chicago, IL, 60612, USA
| | - Yizhou Jiang
- Department of Mechanical and Industrial Engineering, University of Illinois at Chicago, Chicago, IL, USA
| | - Sayena Jabbehdari
- Jones Eye Institute, University of Arkansas for Medical Sciences, Little Rock, AR, USA
| | - Mark I Rosenblatt
- Department of Ophthalmology and Visual Sciences, Illinois Eye and Ear Infirmary, University of Illinois at Chicago, 1855 W. Taylor Street, MC 648, Chicago, IL, 60612, USA
| | - Yayue Pan
- Department of Mechanical and Industrial Engineering, University of Illinois at Chicago, Chicago, IL, USA
| | - Ali R Djalilian
- Department of Ophthalmology and Visual Sciences, Illinois Eye and Ear Infirmary, University of Illinois at Chicago, 1855 W. Taylor Street, MC 648, Chicago, IL, 60612, USA.
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10
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Zhe M, Wu X, Yu P, Xu J, Liu M, Yang G, Xiang Z, Xing F, Ritz U. Recent Advances in Decellularized Extracellular Matrix-Based Bioinks for 3D Bioprinting in Tissue Engineering. MATERIALS (BASEL, SWITZERLAND) 2023; 16:3197. [PMID: 37110034 PMCID: PMC10143913 DOI: 10.3390/ma16083197] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/24/2023] [Revised: 03/30/2023] [Accepted: 04/15/2023] [Indexed: 06/19/2023]
Abstract
In recent years, three-dimensional (3D) bioprinting has been widely utilized as a novel manufacturing technique by more and more researchers to construct various tissue substitutes with complex architectures and geometries. Different biomaterials, including natural and synthetic materials, have been manufactured into bioinks for tissue regeneration using 3D bioprinting. Among the natural biomaterials derived from various natural tissues or organs, the decellularized extracellular matrix (dECM) has a complex internal structure and a variety of bioactive factors that provide mechanistic, biophysical, and biochemical signals for tissue regeneration and remodeling. In recent years, more and more researchers have been developing the dECM as a novel bioink for the construction of tissue substitutes. Compared with other bioinks, the various ECM components in dECM-based bioink can regulate cellular functions, modulate the tissue regeneration process, and adjust tissue remodeling. Therefore, we conducted this review to discuss the current status of and perspectives on dECM-based bioinks for bioprinting in tissue engineering. In addition, the various bioprinting techniques and decellularization methods were also discussed in this study.
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Affiliation(s)
- Man Zhe
- Animal Experiment Center, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Xinyu Wu
- West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
| | - Peiyun Yu
- LIMES Institute, Department of Molecular Brain Physiology and Behavior, University of Bonn, Carl-Troll-Str. 31, 53115 Bonn, Germany
| | - Jiawei Xu
- Orthopedic Research Institute, Department of Orthopedics, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Ming Liu
- Orthopedic Research Institute, Department of Orthopedics, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Guang Yang
- Animal Experiment Center, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Zhou Xiang
- Orthopedic Research Institute, Department of Orthopedics, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Fei Xing
- Department of Orthopaedics and Traumatology, Biomatics Group, University Medical Center of the Johannes Gutenberg University, Langenbeckstr. 1, 55131 Mainz, Germany
| | - Ulrike Ritz
- Department of Orthopaedics and Traumatology, Biomatics Group, University Medical Center of the Johannes Gutenberg University, Langenbeckstr. 1, 55131 Mainz, Germany
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11
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Bonciog DD, Lascu MR, Mâțiu-Iovan L, Ordodi VL. Automation and Optimization of Rat Heart Decellularization Using a Vibrating Fluid Column. SENSORS (BASEL, SWITZERLAND) 2023; 23:4045. [PMID: 37112386 PMCID: PMC10140852 DOI: 10.3390/s23084045] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/14/2023] [Revised: 04/10/2023] [Accepted: 04/15/2023] [Indexed: 06/19/2023]
Abstract
This paper presents the validation of a software application to optimize the discoloration process in simulated hearts and to automate and determine the final moment of decellularization in rat hearts using a vibrating fluid column. The implemented algorithm specifically for the automated verification of a simulated heart's discoloration process was optimized in this study. Initially, we used a latex balloon containing enough dye to reach the opacity of a heart. The complete discoloration process corresponds to complete decellularization. The developed software automatically detects the complete discoloration of a simulated heart. Finally, the process stops automatically. Another goal was to optimize the Langendorff-type experimental apparatus, which is pressure-controlled and equipped with a vibrating fluid column that shortens the decellularization time by mechanically acting directly on cell membranes. Control experiments were performed with the designed experimental device and the vibrating liquid column using different decellularization protocols for hearts taken from rats. In this work, we used a commonly utilized solution based on sodium dodecyl sulfate. Ultraviolet spectrophotometry was used to measure the evolution of the dye concentration in the simulated hearts and, similarly, to determine the concentrations of deoxyribonucleic acid (DNA) and proteins in the rat hearts.
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Affiliation(s)
- Dumitru-Daniel Bonciog
- Measurements and Optical Electronics Department, Politehnica University Timisoara, 300006 Timisoara, Romania; (D.-D.B.); (M.-R.L.); (L.M.-I.)
| | - Mihaela-Ruxandra Lascu
- Measurements and Optical Electronics Department, Politehnica University Timisoara, 300006 Timisoara, Romania; (D.-D.B.); (M.-R.L.); (L.M.-I.)
| | - Liliana Mâțiu-Iovan
- Measurements and Optical Electronics Department, Politehnica University Timisoara, 300006 Timisoara, Romania; (D.-D.B.); (M.-R.L.); (L.M.-I.)
| | - Valentin Laurențiu Ordodi
- Chemistry and Engineering of Organic and Natural Compounds Department, University Politehnica Timisoara, 300006 Timisoara, Romania
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12
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Salti H, Kramer L, Nelz SC, Lorenz M, Breitrück A, Hofrichter J, Frank M, Schulz K, Mitzner S, Wasserkort R. Decellularization of precision-cut kidney slices-application of physical and chemical methods. Biomed Mater 2023; 18. [PMID: 36599165 DOI: 10.1088/1748-605x/acb02e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2022] [Accepted: 01/04/2023] [Indexed: 01/05/2023]
Abstract
The extracellular matrix (ECM) obtained by decellularization provides scaffolds with the natural complex architecture and biochemical composition of the target organ. Whole kidney decellularization by perfusion uses the vasculature to remove cells leaving a scaffold that can be recellularized with patient-specific cells. However, decellularization and recellularization are highly complex processes that require intensive optimization of various parameters. In pursuit of this, a huge number of animals must be sacrificed. Therefore, we used precision-cut kidney slices (PCKS) as a source of natural scaffolds, which were decellularized by immersion in chemical reagents allowing the examination of more parameters with less animals. However, chemical reagents have a damaging effect on the structure and components of the ECM. Therefore, this study aimed at investigating the effects of physical treatment methods on the effectiveness of PCKS decellularization by immersion in chemical reagents (CHEM). PCKS were treated physically before or during immersion in chemicals (CHEM) with high hydrostatic pressure (HHP), freezing-thawing cycles (FTC) or in an ultrasonic bath system (UBS). Biochemical and DNA quantification as well as structural evaluation with conventional histology and scanning electron microscopy (SEM) were performed. Compared to decellularization by CHEM alone, FTC treatment prior to CHEM was the most effective in reducing DNA while also preserving glycosaminoglycan (GAG) content. Moreover, while UBS resulted in a comparable reduction of DNA, it was the least effective in retaining GAGs. In contrast, despite the pretreatment with HHP with pressures up to 200 MPa, it was the least effective in DNA removal. Histological scoring showed that HHP scaffolds received the best score followed by UBS, FTC and CHEM scaffolds. However further analysis with SEM demonstrated a higher deterioration of the ultrastructure in UBS scaffolds. Altogether, pretreatment with FTC prior to CHEM resulted in a better balance between DNA removal and structural preservation.
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Affiliation(s)
- Haitham Salti
- Department of Extracorporeal Therapy Systems (EXTHER), Fraunhofer Institute for Cell Therapy and Immunology (IZI), Rostock, Germany
| | - Lea Kramer
- Department of Extracorporeal Therapy Systems (EXTHER), Fraunhofer Institute for Cell Therapy and Immunology (IZI), Rostock, Germany
| | - Sophie-Charlotte Nelz
- Department of Extracorporeal Therapy Systems (EXTHER), Fraunhofer Institute for Cell Therapy and Immunology (IZI), Rostock, Germany.,Division of Nephrology, Department of Internal Medicine, Rostock University Medical Center, Rostock, Germany
| | - Mathias Lorenz
- Wismar University of Applied Sciences, Faculty of Engineering, Wismar, Germany
| | - Anne Breitrück
- Department of Extracorporeal Therapy Systems (EXTHER), Fraunhofer Institute for Cell Therapy and Immunology (IZI), Rostock, Germany.,Division of Nephrology, Department of Internal Medicine, Rostock University Medical Center, Rostock, Germany
| | - Jacqueline Hofrichter
- Department of Extracorporeal Therapy Systems (EXTHER), Fraunhofer Institute for Cell Therapy and Immunology (IZI), Rostock, Germany.,Division of Nephrology, Department of Internal Medicine, Rostock University Medical Center, Rostock, Germany
| | - Marcus Frank
- Medical Biology and Electron Microscopy Centre, Rostock University Medical Center, Rostock, Germany.,Department Life Light & Matter, University of Rostock, Rostock, Germany
| | - Karoline Schulz
- Medical Biology and Electron Microscopy Centre, Rostock University Medical Center, Rostock, Germany
| | - Steffen Mitzner
- Department of Extracorporeal Therapy Systems (EXTHER), Fraunhofer Institute for Cell Therapy and Immunology (IZI), Rostock, Germany.,Division of Nephrology, Department of Internal Medicine, Rostock University Medical Center, Rostock, Germany
| | - Reinhold Wasserkort
- Department of Extracorporeal Therapy Systems (EXTHER), Fraunhofer Institute for Cell Therapy and Immunology (IZI), Rostock, Germany.,Division of Nephrology, Department of Internal Medicine, Rostock University Medical Center, Rostock, Germany
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13
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Suzuki M, Kimura T, Nakano Y, Kobayashi M, Okada M, Matsumoto T, Nakamura N, Hashimoto Y, Kishida A. Preparation of mineralized pericardium by alternative soaking for soft-hard interregional tissue application. J Biomed Mater Res A 2023; 111:198-208. [PMID: 36069375 DOI: 10.1002/jbm.a.37445] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2022] [Revised: 08/10/2022] [Accepted: 08/22/2022] [Indexed: 01/10/2023]
Abstract
Recent applications of decellularized tissues include the ectopic use of sheets and powders for three-dimensional (3D) tissue reconstruction. Decellularized tissues are modified (or fabricated) with the desired functions for application to the target (transplanted or used) tissue, including soft-hard interregional tissues, such as ligaments, tendons, and periodontal ligaments. This study aimed to prepare a mineralized decellularized pericardium to construct a soft-hard interregional tissue by 3D fabrication of decellularized pericardium, for example, rolling up to a cylindrical form. The decellularized pericardial tissue was prepared using the high hydrostatic pressurization (HHP) and surfactants method. The pericardium consisted of bundles of aligned fibers, and the bundles were slightly disordered when prepared with the surfactant decellularization method compared with that prepared using the HHP decellularization method. Mineralization of the decellularized pericardium was performed using an alternate soaking process with various cycles. The surface of the decellularized pericardium was covered with calcium phosphate precipitates, which accumulated on the surface with an increasing number of soaking cycles. The inside of the HHP decellularized pericardium was mineralized uniformly, whereas the mineralization of the decellularized pericardium decreased toward the interior. These findings suggest that the decellularization method strongly affects the structure and mineralized parts of the decellularized pericardium. The mineralized decellularized pericardium could be a candidate material for reconstructing alternative interregional tissues, such as ligaments and tendons.
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Affiliation(s)
- Mika Suzuki
- Institute of Biomaterials and Bioengineering, Tokyo Medical and Dental University, Tokyo, Japan
| | - Tsuyoshi Kimura
- Institute of Biomaterials and Bioengineering, Tokyo Medical and Dental University, Tokyo, Japan
| | - Yuta Nakano
- Institute of Biomaterials and Bioengineering, Tokyo Medical and Dental University, Tokyo, Japan
| | - Mako Kobayashi
- Institute of Biomaterials and Bioengineering, Tokyo Medical and Dental University, Tokyo, Japan
| | - Masahiro Okada
- Department of Biomaterials, Okayama University, Okayama, Japan
| | | | - Naoko Nakamura
- Department of Bioscience and Engineering, Shibaura Institute of Technology, Tokyo, Japan
| | - Yoshihide Hashimoto
- Institute of Biomaterials and Bioengineering, Tokyo Medical and Dental University, Tokyo, Japan
| | - Akio Kishida
- Institute of Biomaterials and Bioengineering, Tokyo Medical and Dental University, Tokyo, Japan
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14
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Sarmah H, Sawada A, Hwang Y, Miura A, Shimamura Y, Tanaka J, Yamada K, Mori M. Towards human organ generation using interspecies blastocyst complementation: Challenges and perspectives for therapy. Front Cell Dev Biol 2023; 11:1070560. [PMID: 36743411 PMCID: PMC9893295 DOI: 10.3389/fcell.2023.1070560] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2022] [Accepted: 01/05/2023] [Indexed: 01/20/2023] Open
Abstract
Millions of people suffer from end-stage refractory diseases. The ideal treatment option for terminally ill patients is organ transplantation. However, donor organs are in absolute shortage, and sadly, most patients die while waiting for a donor organ. To date, no technology has achieved long-term sustainable patient-derived organ generation. In this regard, emerging technologies of chimeric human organ production via blastocyst complementation (BC) holds great promise. To take human organ generation via BC and transplantation to the next step, we reviewed current emerging organ generation technologies and the associated efficiency of chimera formation in human cells from the standpoint of developmental biology.
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Affiliation(s)
- Hemanta Sarmah
- Department of Medicine, Columbia Center for Human Development, Columbia University Medical Center, New York, NY, United States
| | - Anri Sawada
- Department of Medicine, Columbia Center for Human Development, Columbia University Medical Center, New York, NY, United States
| | - Youngmin Hwang
- Department of Medicine, Columbia Center for Human Development, Columbia University Medical Center, New York, NY, United States
| | - Akihiro Miura
- Department of Medicine, Columbia Center for Human Development, Columbia University Medical Center, New York, NY, United States
| | - Yuko Shimamura
- Department of Medicine, Columbia Center for Human Development, Columbia University Medical Center, New York, NY, United States
| | - Junichi Tanaka
- Department of Medicine, Columbia Center for Human Development, Columbia University Medical Center, New York, NY, United States
| | - Kazuhiko Yamada
- Department of Surgery, Johns Hopkins University, Baltimore, MD, United States
| | - Munemasa Mori
- Department of Medicine, Columbia Center for Human Development, Columbia University Medical Center, New York, NY, United States
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15
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Kanda H, Oya K, Irisawa T, Wahyudiono, Goto M. Tensile strength of ostrich carotid artery decellularized with liquefied dimethyl ether and DNase: An effort in addressing religious and cultural concerns. ARAB J CHEM 2023. [DOI: 10.1016/j.arabjc.2023.104578] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023] Open
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16
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Hu X, Wei R, Liu C, Wang Y, Yang D, Sun L, Xia F, Liu S, Li M, Zhou X. Recent advances in small incision lenticule extraction (SMILE)-derived refractive lenticule preservation and clinical reuse. ENGINEERED REGENERATION 2023. [DOI: 10.1016/j.engreg.2023.01.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023] Open
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17
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Chew LA, Jun AS, Barnett BP. Corneal endothelial transplantation from bench to bedside: A review of animal models and their translational value for therapeutic development. Exp Eye Res 2022; 224:109241. [PMID: 36075460 PMCID: PMC10782848 DOI: 10.1016/j.exer.2022.109241] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2022] [Revised: 08/10/2022] [Accepted: 08/27/2022] [Indexed: 11/23/2022]
Affiliation(s)
- Lindsey A Chew
- Duke University, School of Medicine, 40 Duke Medicine Circle, 124 Davison Building, Durham, NC, 27710, USA
| | - Albert S Jun
- Wilmer Eye Institute, 1800 Orleans St., Baltimore, MD, 21287, USA
| | - Brad P Barnett
- California LASIK & Eye, 1111 Exposition Blvd., Bldg. 200 Ste. 2000, Sacramento, CA, 95815, USA.
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18
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Corridon PR. Intravital microscopy datasets examining key nephron segments of transplanted decellularized kidneys. Sci Data 2022; 9:561. [PMID: 36088356 PMCID: PMC9464233 DOI: 10.1038/s41597-022-01685-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2022] [Accepted: 09/07/2022] [Indexed: 12/28/2022] Open
Abstract
AbstractThis study contains intravital microscopy (IVM) data examining the microarchitecture of acellular kidney scaffolds. Acellular scaffolds are cell-free collagen-based matrices derived from native organs that can be used as templates for regenerative medicine applications. This data set contains in vivo assays that evaluate the effectiveness of decellularization and how these acellular nephron compartments perform in the post-transplantation environment. Qualitative and quantitative assessments of scaffold DNA concentrations, tissue fluorescence signals, and structural and functional integrities of decellularized tubular and peritubular capillary segments were acquired and compared to the native (non-transplanted) organ. Cohorts of 2–3-month-old male Sprague Dawley rats were used: non-transplanted (n = 4), transplanted day 0 (n = 4), transplanted day 1 (n = 4), transplanted day 2 (n = 4), and transplanted day 7 (n = 4). Micrographs and supporting measurements are provided to illustrate IVM processes used to perform this study and are publicly available in a data repository to assist scientific reproducibility and extend the use of this powerful imaging application to analyze other scaffold systems.
Measurements(s)
DNA quantification • tissue fluorescence • microvascular leakage • tubular and peritubular capillary integrity
Technology Type(s)
intravital microscopy • multiphoton microscopy • UV-visible spectroscopy
Sample Characterization(s)
rats • native and decellularized kidneys
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19
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Kobayashi M, Ishida N, Hashimoto Y, Negishi J, Saga H, Sasaki Y, Akiyoshi K, Kimura T, Kishida A. Extraction and Biological Evaluation of Matrix-Bound Nanovesicles (MBVs) from High-Hydrostatic Pressure-Decellularized Tissues. Int J Mol Sci 2022; 23:ijms23168868. [PMID: 36012126 PMCID: PMC9407827 DOI: 10.3390/ijms23168868] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2022] [Revised: 07/25/2022] [Accepted: 08/07/2022] [Indexed: 12/22/2022] Open
Abstract
Decellularized tissues are widely used as promising materials in tissue engineering and regenerative medicine. Research on the microstructure and components of the extracellular matrix (ECM) was conducted to improve the current understanding of decellularized tissue functionality. The presence of matrix-bound nanovesicles (MBVs) embedded within the ECM was recently reported. Results of a previous experimental investigation revealed that decellularized tissues prepared using high hydrostatic pressure (HHP) exhibited good in vivo performance. In the current study, according to the hypothesis that MBVs are one of the functional components in HHP-decellularized tissue, we investigated the extraction of MBVs and the associated effects on vascular endothelial cells. Using nanoparticle tracking assay (NTA), transmission electron microscopy (TEM), and RNA analysis, nanosized (100–300 nm) and membranous particles containing small RNA were detected in MBVs derived from HHP-decellularized small intestinal submucosa (SIS), urinary bladder matrix (UBM), and liver. To evaluate the effect on the growth of vascular endothelial cells, which are important in the tissue regeneration process, isolated SIS-derived MBVs were exposed to vascular endothelial cells to induce cell proliferation. These results indicate that MBVs can be extracted from HHP-decellularized tissues and may play a significant role in tissue remodeling.
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Affiliation(s)
- Mako Kobayashi
- Institute of Biomaterials and Bioengineering, Tokyo Medical and Dental University, 2-3-10 Kanda-Surugadai, Chiyoda-ku 101-0062, Japan
| | - Naoki Ishida
- Institute of Biomaterials and Bioengineering, Tokyo Medical and Dental University, 2-3-10 Kanda-Surugadai, Chiyoda-ku 101-0062, Japan
| | - Yoshihide Hashimoto
- Institute of Biomaterials and Bioengineering, Tokyo Medical and Dental University, 2-3-10 Kanda-Surugadai, Chiyoda-ku 101-0062, Japan
| | - Jun Negishi
- Department of Applied Biology, Faculty of Textile Science and Technology, Shinshu University, 3-15-1 Tokida, Ueda 386-8567, Japan
| | - Hideki Saga
- KM Biologics Co., Ltd., 1314-1 Kyokushi Kawabe, Kikuchi-shi 869-1298, Japan
| | - Yoshihiro Sasaki
- Department of Polymer Chemistry, Graduate School of Engineering, A3-317, Kyoto University, Katsura, Nishikyo-ku 615-8510, Japan
| | - Kazunari Akiyoshi
- Department of Polymer Chemistry, Graduate School of Engineering, A3-317, Kyoto University, Katsura, Nishikyo-ku 615-8510, Japan
| | - Tsuyoshi Kimura
- Institute of Biomaterials and Bioengineering, Tokyo Medical and Dental University, 2-3-10 Kanda-Surugadai, Chiyoda-ku 101-0062, Japan
| | - Akio Kishida
- Institute of Biomaterials and Bioengineering, Tokyo Medical and Dental University, 2-3-10 Kanda-Surugadai, Chiyoda-ku 101-0062, Japan
- Correspondence: ; Tel.: +81-35-2808028
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20
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Wang H, Wang X, Wu D. Recent Advances of Natural Polysaccharide-based Double-network Hydrogels for Tissue Repair. Chem Asian J 2022; 17:e202200659. [PMID: 35837995 DOI: 10.1002/asia.202200659] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2022] [Revised: 07/08/2022] [Indexed: 11/08/2022]
Abstract
Natural polysaccharide hydrogels have been extensively explored for many years due to their outstanding biocompatibility and biodegradability, which are very promising candidates as artificial soft materials for biomedical applications. However, their inferior mechanical performances greatly limited their applications. Introduction of double-network (DN) structure has been well documented to be an efficient strategy for significant improvement of the mechanical property of hydrogels. Here, recent progress of natural polysaccharide-based DN hydrogels is reviewed from the perspective of fundamental concepts on both design rationale and preparation strategies to biomedical application in tissue repair. Retrospect of the DN-strengthened polysaccharide hydrogels can give a deep insight into the fundamental relationship of such bio-based hydrogels among structural design, mechanical properties and practical demands, thereby prompting their translation to clinical application prospects.
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Affiliation(s)
- Hufei Wang
- Institute of Chemistry Chinese Academy of Sciences, Beijing National Laboratory for Molecular Sciences, CHINA
| | - Xing Wang
- Institute of Chemistry Chinese Academy of Sciences, Beijing National Laboratory for Molecular Sciences, CHINA
| | - Decheng Wu
- Southern University of Science and Technology, Department of Biomedical Engineering, No. 1088 Xueyuan Avenue, 518055, Shenzhen, CHINA
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21
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In Vitro Tissue Reconstruction Using Decellularized Pericardium Cultured with Cells for Ligament Regeneration. Polymers (Basel) 2022; 14:polym14122351. [PMID: 35745927 PMCID: PMC9229290 DOI: 10.3390/polym14122351] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2022] [Revised: 06/01/2022] [Accepted: 06/07/2022] [Indexed: 11/16/2022] Open
Abstract
Recent applications of decellularized tissues have included the ectopic use of their sheets and powders for three-dimensional (3D) tissue reconstruction. Decellularized tissues are fabricated with the desired functions to employ them to a target tissue. The aim of this study was to develop a 3D reconstruction method using a recellularized pericardium to overcome the difficulties in cell infiltration into tight and dense tissues, such as ligament and tendon tissues. Decellularized pericardial tissues were prepared using the high hydrostatic pressurization (HHP) and surfactant methods. The pericardium consisted of bundles of aligned fibers. The bundles were slightly disordered in the surfactant decellularization method compared to the HHP decellularization method. The mechanical properties of the pericardium were maintained after the HHP and surfactant decellularizations. The HHP-decellularized pericardium was rolled up into a cylindrical formation. Its mechanical behavior was similar to that of a porcine anterior cruciate ligament in tensile testing. NIH3T3, C2C12, and mesenchymal stem cells were adhered with elongation and alignment on the HHP- and surfactant-decellularized pericardia, with dependences on the cell type and decellularization method. When the recellularized pericardium was rolled up into a cylinder formation and cultured by hanging circulation for 2 days, the cylinder formation and cellular elongation and alignment were maintained on the decellularized pericardium, resulting in a layer structure of cells in a cross-section. According to these results, the 3D-reconstructed decellularized pericardium with cells has the potential to be an attractive alternative to living tissues, such as ligament and tendon tissues.
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22
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Li Q, Zhao H, Wang H, Zhao G. Properties of the acellular porcine cornea crosslinked with UVA/riboflavin as scaffolds for Boston Keratoprosthesis. BIOMATERIALS ADVANCES 2022; 137:212822. [PMID: 35929237 DOI: 10.1016/j.bioadv.2022.212822] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/02/2021] [Revised: 03/29/2022] [Accepted: 04/20/2022] [Indexed: 06/15/2023]
Abstract
The Boston Keratoprosthesis type I (B-KPro) is widely used in the world, but the lack of donor corneas limits its application. This study aims to prepare the acellular porcine cornea (APC) crosslinked with ultraviolet A (UVA)/riboflavin instead of donor corneas as the scaffold for B-KPro. Decellularization of freeze-thaw combined with biological enzymes resulted in approximately 5 ng/mg DNA residue, the a-Gal removal rate of 99%, and glycosaminoglycans retention at a high level of 46.66 ± 2.59 mg/mg. UVA/ riboflavin cross-linking was adopted to induce the formation of new chemical bonds between adjacent collagen chains in the corneal stroma to improve the mechanical properties and resistance to enzymatic hydrolysis. Through comprehensive analysis of the biomechanics, enzyme degradation, immunogenicity and histological structure of the APC crosslinked at different times, CL3 (irradiation conditions, 365 nm, 3 mW/cm, 80 min, both sides) was selected and transplanted into the rabbit cornea model through interlamellar keratoplasty and penetrating keratoplasty as the scaffold of the B-KPro. Compared with the native porcine cornea (NPC) and APC, the experiment of interlamellar pocket indicated that the structure of CL3 was homogeneous without degradation and vascularization in vivo at 12 weeks after surgery. Simultaneously, the results of transplantation of B-KPro showed complete epithelialization of CL3 within 1 week, and neovascularization of the cornea indicated rejection but could be controlled with immunosuppressants. At 3 months postoperatively, the lens of B-KPro remained transparent, and the structure of CL3 was compact and uniform, accompanied by the migration and proliferation of a large number of stromal cells without degradation, suggesting the CL3 could be a promising corneal substitute.
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Affiliation(s)
- Qing Li
- Key Laboratory for Liquid-Solid Structural Evolution and Processing of Materials, Ministry of Education, School of Materials Science and Engineering, Shandong University, Jinan, Shandong, China
| | - Haibin Zhao
- Key Laboratory for Liquid-Solid Structural Evolution and Processing of Materials, Ministry of Education, School of Materials Science and Engineering, Shandong University, Jinan, Shandong, China; Shenzhen Research Institute of Shandong University, Shenzhen, Guangdong, China.
| | - Hongmei Wang
- Qingdao Chunghao Tissue Engineering Co., Ltd., Qingdao, Shandong, China
| | - Guoqun Zhao
- Key Laboratory for Liquid-Solid Structural Evolution and Processing of Materials, Ministry of Education, School of Materials Science and Engineering, Shandong University, Jinan, Shandong, China
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23
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Hussain MWA, Garg P, Yazji JH, Alomari M, Alamouti-fard E, Wadiwala I, Jacob S. Is a Bioengineered Heart From Recipient Tissues the Answer to the Shortage of Donors in Heart Transplantation? Cureus 2022; 14:e25329. [PMID: 35637923 PMCID: PMC9132496 DOI: 10.7759/cureus.25329] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/25/2022] [Indexed: 11/08/2022] Open
Abstract
With the increase in life expectancy worldwide, end-organ failure is becoming more prevalent. In addition, improving post-transplant outcomes has contributed to soaring demand for organs. Unfortunately, thousands have died waiting on the transplant list due to the critical shortage of organs. The success of bioengineered hearts may eventually lead to the production of limitless organs using the patient’s own cells that can be transplanted into them without the need for immunosuppressive medications. Despite being in its infancy, scientists are making tremendous strides in “growing” an artificial heart in the lab. We discuss these processes involved in bioengineering a human-compatible heart in this review. The components of a functional heart must be replicated in a bioengineered heart to make it viable. This review aims to discuss the advances that have already been made and the future challenges of bioengineering a human heart suitable for transplantation.
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24
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Yang J, Yu H, Wang L, Liu J, Liu X, Hong Y, Huang Y, Ren S. Advances in adhesive hydrogels for tissue engineering. Eur Polym J 2022. [DOI: 10.1016/j.eurpolymj.2022.111241] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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25
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García-Gareta E, Pérez MÁ, García-Aznar JM. Decellularization of tumours: A new frontier in tissue engineering. J Tissue Eng 2022; 13:20417314221091682. [PMID: 35495097 PMCID: PMC9044784 DOI: 10.1177/20417314221091682] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2022] [Accepted: 03/17/2022] [Indexed: 12/16/2022] Open
Abstract
Cancer is one of the leading causes of death worldwide. The tumour extracellular
matrix (ECM) has unique features in terms of composition and mechanical
properties, resulting in a structurally and chemically different ECM to that of
native, healthy tissues. This paper reviews to date the efforts into
decellularization of tumours, which in the authors’ view represents a new
frontier in the ever evolving field of tumour tissue engineering. An overview of
the ECM and its importance in cancer is given, ending with examples of research
using decellularized tumours, which has already indicated potential therapeutic
targets, unravelled malignancy mechanisms or response to chemotherapy agents.
The review highlights that more research is needed in this area, which can
answer important questions related to tumour formation and progression to
ultimately identify new and effective therapeutic targets. Within the
near-future of personalized medicine, this research can create patient-specific
tumour models and therapeutic regimes.
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Affiliation(s)
- Elena García-Gareta
- Aragonese Agency for R&D (ARAID) Foundation, Zaragoza, Aragón, Spain
- Multiscale in Mechanical & Biological Engineering Research Group, Aragón Institute of Engineering Research (I3A), School of Engineering & Architecture, University of Zaragoza, Zaragoza, Aragón, Spain
- Division of Biomaterials & Tissue Engineering, UCL Eastman Dental Institute, University College London, London, UK
| | - María Ángeles Pérez
- Multiscale in Mechanical & Biological Engineering Research Group, Aragón Institute of Engineering Research (I3A), School of Engineering & Architecture, University of Zaragoza, Zaragoza, Aragón, Spain
| | - José Manuel García-Aznar
- Multiscale in Mechanical & Biological Engineering Research Group, Aragón Institute of Engineering Research (I3A), School of Engineering & Architecture, University of Zaragoza, Zaragoza, Aragón, Spain
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Interdisciplinary Methods for Zoonotic Tissue Acellularization for Natural Heart Valve Substitute of Biomimetic Materials. MATERIALS 2022; 15:ma15072594. [PMID: 35407927 PMCID: PMC9000896 DOI: 10.3390/ma15072594] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/22/2022] [Revised: 03/14/2022] [Accepted: 03/29/2022] [Indexed: 02/04/2023]
Abstract
The goal of this work was to create a bioactive tissue-based scaffold using multi-disciplinary engineering materials and tissue engineering techniques. Materials & methods: Physical techniques such as direct laser interference lithography and proton radiation were selected as alternative methods of enzymatic and chemical decellularization to remove cells from a tissue without degradation of the extracellular matrix nor its protein structure. This study was an attempt to prepare a functional scaffold for cell culture from tissue of animal origin using new physical methods that have not been considered before. The work was carried out under full control of the histological and molecular analysis. Results & conclusions: The most important finding was that the physical methods used to obtain the decellularized tissue scaffold differed in the efficiency of cell removal from the tissue in favour of the laser method. Both the laser method and the proton method exhibited a destructive effect on tissue structure and the genetic material in cell nuclei. This effect was visible on histology images as blurred areas within the cell nucleus. The finite element 3D simulation of decellularization process of the three-layer tissue of animal origin sample reflected well the mechanical response of tissue described by hyperelastic material models and provided results comparable to the experimental ones.
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27
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Preservation of corneal stromal lenticule: review. Cell Tissue Bank 2022; 23:627-639. [DOI: 10.1007/s10561-021-09990-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2021] [Accepted: 12/22/2021] [Indexed: 11/02/2022]
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Tsutsumi H, Kurimoto R, Nakamichi R, Chiba T, Matsushima T, Fujii Y, Sanada R, Kato T, Shishido K, Sakamaki Y, Kimura T, Kishida A, Asahara H. Generation of a tendon-like tissue from human iPS cells. J Tissue Eng 2022; 13:20417314221074018. [PMID: 35083031 PMCID: PMC8785341 DOI: 10.1177/20417314221074018] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2021] [Accepted: 01/01/2022] [Indexed: 12/29/2022] Open
Abstract
Tendons and ligaments are essential connective tissues that connect the muscle and bone. Their recovery from injuries is known to be poor, highlighting the crucial need for an effective therapy. A few reports have described the development of artificial ligaments with sufficient strength from human cells. In this study, we successfully generated a tendon-like tissue (bio-tendon) using human induced pluripotent stem cells (iPSCs). We first differentiated human iPSCs into mesenchymal stem cells (iPSC-MSCs) and transfected them with Mohawk (Mkx) to obtain Mkx-iPSC-MSCs, which were applied to a newly designed chamber with a mechanical stretch incubation system. The embedded Mkx-iPSC-MSCs created bio-tendons and exhibited an aligned extracellular matrix structure. Transplantation of the bio-tendons into a mouse Achilles tendon rupture model showed host-derived cell infiltration with improved histological score and biomechanical properties. Taken together, the bio-tendon generated in this study has potential clinical applications for tendon/ligament-related injuries and diseases.
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Affiliation(s)
- Hiroki Tsutsumi
- Department of Systems BioMedicine, Tokyo Medical and Dental University, Bunkyo City, Japan
| | - Ryota Kurimoto
- Department of Systems BioMedicine, Tokyo Medical and Dental University, Bunkyo City, Japan
| | - Ryo Nakamichi
- Department of Molecular Medicine, The Scripps Research Institute, La Jolla, CA, USA
| | - Tomoki Chiba
- Department of Systems BioMedicine, Tokyo Medical and Dental University, Bunkyo City, Japan
| | - Takahide Matsushima
- Department of Systems BioMedicine, Tokyo Medical and Dental University, Bunkyo City, Japan
| | - Yuta Fujii
- Department of Systems BioMedicine, Tokyo Medical and Dental University, Bunkyo City, Japan
| | - Risa Sanada
- Department of Systems BioMedicine, Tokyo Medical and Dental University, Bunkyo City, Japan
| | - Tomomi Kato
- Department of Systems BioMedicine, Tokyo Medical and Dental University, Bunkyo City, Japan
| | - Kana Shishido
- Department of Systems BioMedicine, Tokyo Medical and Dental University, Bunkyo City, Japan
| | - Yuriko Sakamaki
- Research Core, Tokyo Medical and Dental University, Bunkyo City, Japan
| | - Tsuyoshi Kimura
- Department of Material-Based Medical Engineering, Tokyo Medical and Dental University, Bunkyo City, Japan
| | - Akio Kishida
- Department of Material-Based Medical Engineering, Tokyo Medical and Dental University, Bunkyo City, Japan
| | - Hiroshi Asahara
- Department of Systems BioMedicine, Tokyo Medical and Dental University, Bunkyo City, Japan
- Department of Molecular Medicine, The Scripps Research Institute, La Jolla, CA, USA
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29
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Hussain NA, Figueiredo FC, Connon CJ. Use of biomaterials in corneal endothelial repair. Ther Adv Ophthalmol 2022; 13:25158414211058249. [PMID: 34988369 PMCID: PMC8721373 DOI: 10.1177/25158414211058249] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2021] [Accepted: 10/08/2021] [Indexed: 11/20/2022] Open
Abstract
Human corneal endothelium (HCE) is a single layer of hexagonal cells that lines the posterior surface of the cornea. It forms the barrier that separates the aqueous humor from the rest of the corneal layers (stroma and epithelium layer). This layer plays a fundamental role in maintaining the hydration and transparency of the cornea, which in turn ensures a clear vision. In vivo, human corneal endothelial cells (HCECs) are generally believed to be nonproliferating. In many cases, due to their nonproliferative nature, any damage to these cells can lead to further issues with Descemet’s membrane (DM), stroma and epithelium which may ultimately lead to hazy vision and blindness. Endothelial keratoplasties such as Descemet’s stripping automated endothelial keratoplasty (DSAEK) and Descemet’s membrane endothelial keratoplasty (DEK) are the standard surgeries routinely used to restore vision following endothelial failure. Basically, these two similar surgical techniques involve the replacement of the diseased endothelial layer in the center of the cornea by a healthy layer taken from a donor cornea. Globally, eye banks are facing an increased demand to provide corneas that have suitable features for transplantation. Consequently, it can be stated that there is a significant shortage of corneal grafting tissue; for every 70 corneas required, only 1 is available. Nowadays, eye banks face long waiting lists due to shortage of donors, seriously aggravated when compared with previous years, due to the global COVID-19 pandemic. Thus, there is an urgent need to find alternative and more sustainable sources for treating endothelial diseases, such as utilizing bioengineering to use of biomaterials as a remedy. The current review focuses on the use of biomaterials to repair the corneal endothelium. A range of biomaterials have been considered based on their promising results and outstanding features, including previous studies and their key findings in the context of each biomaterial.
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Affiliation(s)
- Noor Ahmed Hussain
- University of Jeddah, Jeddah, Saudi ArabiaBiosciences Institute, Faculty of Medical Sciences, Newcastle University, Newcastle upon Tyne, UK
| | - Francisco C Figueiredo
- Biosciences Institute, Faculty of Medical Sciences, Newcastle University, Newcastle upon Tyne, UKDepartment of Ophthalmology, Royal Victoria Infirmary, Newcastle upon Tyne Hospitals NHS Foundation Trust, Newcastle upon Tyne, UK
| | - Che J Connon
- Biosciences Institute, Faculty of Medical Sciences, Newcastle University, Newcastle upon Tyne NE1 7RU, UK
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30
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Decellularized extracellular matrix mediates tissue construction and regeneration. Front Med 2021; 16:56-82. [PMID: 34962624 PMCID: PMC8976706 DOI: 10.1007/s11684-021-0900-3] [Citation(s) in RCA: 37] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2021] [Accepted: 09/23/2021] [Indexed: 02/05/2023]
Abstract
Contributing to organ formation and tissue regeneration, extracellular matrix (ECM) constituents provide tissue with three-dimensional (3D) structural integrity and cellular-function regulation. Containing the crucial traits of the cellular microenvironment, ECM substitutes mediate cell–matrix interactions to prompt stem-cell proliferation and differentiation for 3D organoid construction in vitro or tissue regeneration in vivo. However, these ECMs are often applied generically and have yet to be extensively developed for specific cell types in 3D cultures. Cultured cells also produce rich ECM, particularly stromal cells. Cellular ECM improves 3D culture development in vitro and tissue remodeling during wound healing after implantation into the host as well. Gaining better insight into ECM derived from either tissue or cells that regulate 3D tissue reconstruction or organ regeneration helps us to select, produce, and implant the most suitable ECM and thus promote 3D organoid culture and tissue remodeling for in vivo regeneration. Overall, the decellularization methodologies and tissue/cell-derived ECM as scaffolds or cellular-growth supplements used in cell propagation and differentiation for 3D tissue culture in vitro are discussed. Moreover, current preclinical applications by which ECM components modulate the wound-healing process are reviewed.
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31
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Hashimoto Y, Yamashita A, Negishi J, Kimura T, Funamoto S, Kishida A. 4-Arm PEG-Functionalized Decellularized Pericardium for Effective Prevention of Postoperative Adhesion in Cardiac Surgery. ACS Biomater Sci Eng 2021; 8:261-272. [PMID: 34937336 DOI: 10.1021/acsbiomaterials.1c00990] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Postoperative adhesions are a very common and serious complication in cardiac surgery, and the development of an effective anti-adhesion membrane showing resistance to the physical stimulus generated by the pulsation of the heart is desirable. In this study, an anti-adhesion material was developed through amine coupling between decellularized bovine pericardia (dBPCs) and 4-arm poly(ethylene glycol) succinimidyl glutarate (4-arm PEG-NHS) for the postoperative care of cardiac surgical patients. The efficacy of the 4-arm PEG-functionalized dBPCs in the prevention of adhesions after cardiac surgery was investigated in a rabbit heart adhesion model. The dBPCs meet the requirements for biocompatibility, flexibility, and sufficient suturable strength, and the 4-arm PEG moieties provide an anti-adhesion effect by the high excluded volume interactions of the PEG chains with proteins. The 4-arm PEG-functionalized dBPCs had a significantly greater anti-adhesion effect than the other materials tested and showed re-establishment of the mesothelial monolayer. These results suggested that the 4-arm PEG-functionalized dBPCs are a favorable material for an anti-adhesion membrane.
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Affiliation(s)
- Yoshihide Hashimoto
- Institute of Biomaterials and Bioengineering, Tokyo Medical and Dental University, 2-3-10 Kanda-Surugadai, Chiyoda-ku, Tokyo 101-0062, Japan
| | - Akitatsu Yamashita
- Institute of Biomaterials and Bioengineering, Tokyo Medical and Dental University, 2-3-10 Kanda-Surugadai, Chiyoda-ku, Tokyo 101-0062, Japan
| | - Jun Negishi
- Institute of Biomaterials and Bioengineering, Tokyo Medical and Dental University, 2-3-10 Kanda-Surugadai, Chiyoda-ku, Tokyo 101-0062, Japan.,Faculty of Textile Science and Technology, Shinshu University, 3-15-1 Tokida, Ueda, Nagano 386-8567, Japan
| | - Tsuyoshi Kimura
- Institute of Biomaterials and Bioengineering, Tokyo Medical and Dental University, 2-3-10 Kanda-Surugadai, Chiyoda-ku, Tokyo 101-0062, Japan
| | - Seiichi Funamoto
- Institute of Biomaterials and Bioengineering, Tokyo Medical and Dental University, 2-3-10 Kanda-Surugadai, Chiyoda-ku, Tokyo 101-0062, Japan
| | - Akio Kishida
- Institute of Biomaterials and Bioengineering, Tokyo Medical and Dental University, 2-3-10 Kanda-Surugadai, Chiyoda-ku, Tokyo 101-0062, Japan
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32
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Büyük Nİ, Tüfekçi K, Cumbul A, Ayşan E, Torun Köse G. A novel method for providing scaffold: Decellularization of parathyroid capsule. J Biomater Appl 2021; 36:1201-1212. [PMID: 34918999 DOI: 10.1177/08853282211054321] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
This study aimed to generate a novel biomatrix from the decellularized human parathyroid capsule using different methods and to compare the efficiency of decellularization in the means of cell removal, structural integrity and extracellular matrix preservation. The parathyroid capsules, which were carefully dissected from the parathyroid tissue, were randomly divided into four groups and then decellularized using three different protocols: freeze-thaw only, sodium dodecyl sulphate and Triton X-100 treatments after freeze-thawing. Quantitative DNA analysis, agarose gel electrophoresis, sulphated glycosaminoglycan assay, histological analysis, immunohistochemistry and scanning electron microscopy were used to observe the efficiency of parathyroid capsule decellularization and preservation of extracellular matrix components. Considering all the results, it can be said that only freeze-thawing is not an effective method in parathyroid capsule decellularization. When the tissue was treated with a detergent agent in addition to freeze-thawing, the amount of DNA decreased by 90% while sulphated glycosaminoglycan amount maintained 50% compared to untreated tissue. Comparing the effects of the two detergents on the preservation of extracellular matrix such as collagen and sulphated glycosaminoglycan, it was seen that the integrity of tissues treated with Triton X-100 was preserved more than tissues treated with sodium dodecyl sulphate. It is concluded that Triton X-100 treatment with freeze-thawing is the most suitable and effective method for decellularizing the human parathyroid capsule. The biomatrix obtained with this method can be applied in the transplantation of parathyroid tissue and other endocrine tissue types in the body.
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Affiliation(s)
- Nisa İrem Büyük
- Genetics & Bioengineering, 52998Yeditepe University, Istanbul, Turkey
| | - Kardelen Tüfekçi
- Genetics & Bioengineering, 52998Yeditepe University, Istanbul, Turkey
| | - Alev Cumbul
- Histology and Embryology, 52998Yeditepe University, Istanbul, Turkey
| | - Erhan Ayşan
- General Surgery, 64173Yeditepe Üniversity Hospital, Istanbul, Turkey
| | - Gamze Torun Köse
- Genetics & Bioengineering, 52998Yeditepe University, Istanbul, Turkey
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33
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Yang X, Sun X, Liu J, Huang Y, Peng Y, Xu Y, Ren L. Photo-crosslinked GelMA/collagen membrane loaded with lysozyme as an antibacterial corneal implant. Int J Biol Macromol 2021; 191:1006-1016. [PMID: 34592226 DOI: 10.1016/j.ijbiomac.2021.09.144] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2021] [Revised: 09/07/2021] [Accepted: 09/20/2021] [Indexed: 11/28/2022]
Abstract
Corneal transplantation is an effective treatment for corneal blindness. However, it brings risk factors for the occurrence of bacterial keratitis, which can affect the repair effect and even lead to transplantation failure. The difficulty in re-epithelialization is also a main problem faced by corneal transplantation. Herein, a collagen-GelMA composite membrane containing lysozyme (CGL) was developed as an antibacterial corneal implant to fill stromal defect and support re-epithelialization. Characterizations of physicochemical properties and in vitro biocompatibility revealed that the composite membranes have proper water content, light transmittance and mechanical strength as well as good biocompatibility. Particularly, the cell adhesion force and adhesion-related genes expression were evaluated and exhibited an improvement after the addition of GelMA. Furthermore, the formed CGL membrane could continuously release lysozyme and exhibited a bactericidal rate of 96% and 64% after 2 h and 72 h, respectively. The results demonstrated that this CGL membrane has promising application in corneal repair.
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Affiliation(s)
- Xiangjing Yang
- School of Materials Science and Engineering, South China University of Technology, Guangzhou 510006, PR China; National Engineering Research Center for Tissue Restoration and Reconstruction, Guangzhou 510006, PR China; Key Laboratory of Biomedical Engineering of Guangdong Province, South China University of Technology, Guangzhou 510006, PR China; Key Laboratory of Biomedical Materials and Engineering of the Ministry of Education, South China University of Technology, Guangzhou 510006, PR China; Innovation Center for Tissue Restoration and Reconstruction, South China University of Technology, Guangzhou 510006, PR China
| | - Xiaomin Sun
- School of Materials Science and Engineering, South China University of Technology, Guangzhou 510006, PR China; National Engineering Research Center for Tissue Restoration and Reconstruction, Guangzhou 510006, PR China; Key Laboratory of Biomedical Engineering of Guangdong Province, South China University of Technology, Guangzhou 510006, PR China; Key Laboratory of Biomedical Materials and Engineering of the Ministry of Education, South China University of Technology, Guangzhou 510006, PR China; Innovation Center for Tissue Restoration and Reconstruction, South China University of Technology, Guangzhou 510006, PR China
| | - Jia Liu
- School of Materials Science and Engineering, South China University of Technology, Guangzhou 510006, PR China; National Engineering Research Center for Tissue Restoration and Reconstruction, Guangzhou 510006, PR China; Key Laboratory of Biomedical Engineering of Guangdong Province, South China University of Technology, Guangzhou 510006, PR China; Key Laboratory of Biomedical Materials and Engineering of the Ministry of Education, South China University of Technology, Guangzhou 510006, PR China; Innovation Center for Tissue Restoration and Reconstruction, South China University of Technology, Guangzhou 510006, PR China
| | - Yongrui Huang
- School of Materials Science and Engineering, South China University of Technology, Guangzhou 510006, PR China; National Engineering Research Center for Tissue Restoration and Reconstruction, Guangzhou 510006, PR China; Key Laboratory of Biomedical Engineering of Guangdong Province, South China University of Technology, Guangzhou 510006, PR China; Key Laboratory of Biomedical Materials and Engineering of the Ministry of Education, South China University of Technology, Guangzhou 510006, PR China; Innovation Center for Tissue Restoration and Reconstruction, South China University of Technology, Guangzhou 510006, PR China
| | - Yuehai Peng
- School of Materials Science and Engineering, South China University of Technology, Guangzhou 510006, PR China; National Engineering Research Center for Tissue Restoration and Reconstruction, Guangzhou 510006, PR China; Key Laboratory of Biomedical Engineering of Guangdong Province, South China University of Technology, Guangzhou 510006, PR China; Key Laboratory of Biomedical Materials and Engineering of the Ministry of Education, South China University of Technology, Guangzhou 510006, PR China; Innovation Center for Tissue Restoration and Reconstruction, South China University of Technology, Guangzhou 510006, PR China
| | - Yingni Xu
- School of Materials Science and Engineering, South China University of Technology, Guangzhou 510006, PR China; National Engineering Research Center for Tissue Restoration and Reconstruction, Guangzhou 510006, PR China; Key Laboratory of Biomedical Engineering of Guangdong Province, South China University of Technology, Guangzhou 510006, PR China; Key Laboratory of Biomedical Materials and Engineering of the Ministry of Education, South China University of Technology, Guangzhou 510006, PR China; Innovation Center for Tissue Restoration and Reconstruction, South China University of Technology, Guangzhou 510006, PR China
| | - Li Ren
- School of Materials Science and Engineering, South China University of Technology, Guangzhou 510006, PR China; National Engineering Research Center for Tissue Restoration and Reconstruction, Guangzhou 510006, PR China; Key Laboratory of Biomedical Engineering of Guangdong Province, South China University of Technology, Guangzhou 510006, PR China; Key Laboratory of Biomedical Materials and Engineering of the Ministry of Education, South China University of Technology, Guangzhou 510006, PR China; Innovation Center for Tissue Restoration and Reconstruction, South China University of Technology, Guangzhou 510006, PR China; Bioland Laboratory (Guangzhou Regenerative Medicine and Health Guangdong Laboratory), Guangzhou 510005, PR China.
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34
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Acellular Porcine Cornea Produced by Supercritical Carbon Dioxide Extraction: A Potential Substitute for Human Corneal Regeneration. Cornea 2021; 41:328-338. [PMID: 34839331 DOI: 10.1097/ico.0000000000002790] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2021] [Accepted: 04/19/2021] [Indexed: 11/26/2022]
Abstract
PURPOSE The aim of this study was to develop a non-cytotoxic, biocompatible innovative acellular porcine cornea (APC) for corneal wound healing and corneal blindness treatment. METHODS APC was produced by using supercritical carbon dioxide (SCCO2) to decellularize the porcine cornea. Decellularization of the porcine cornea was examined by hematoxylin and eosin staining and 4,6-diamidino-2-phenylindole, dihydrochloride staining. The residual DNA content of APC was analyzed in comparison with the native porcine cornea. Virus inactivation up to at least 6 log10 was confirmed for the stepwise process of APC for 4 different model viruses. In addition, a series of in vitro and in vivo tests in accordance with ISO-10993 biocompatibility assay and animal performance tests were performed. RESULTS APC produced by the SCCO2 process revealed complete decellularization, without any residual non-collagenous proteins. The scanning electron microscopy structural features of the decellularized cornea were similar to those of human. APC was found to be nontoxic and exhibited excellent biocompatibility in both in vitro and in vivo studies. The animal performance test proved that APC exerted excellent adaptability on the cornea and no sign of irritation and good compatibility in lamellar corneal transplantation. CONCLUSIONS APC manufactured by SCCO2 technology revealed complete cells and non-collagenous protein removal compared with the Triton-sodium dodecyl sulfate decellularization process. APC showed excellent biocompatibility in rabbit lamellar corneal transplantation with a follow-up to 1 year. APC can be a potential substitute for human-donated cornea for corneal transplantation in the near future.
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35
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Shojaie L, Rahimi Y, Zolbin MM, Daghigh F, Kajbafzadeh AM. Characterization Methods of Acellularized Tissue and Organs. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2021; 1345:1-6. [PMID: 34582009 DOI: 10.1007/978-3-030-82735-9_1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/16/2023]
Abstract
The extracellular matrix (ECM) of mammalian organs and tissues has been applied as a substitute scaffold to simplify the restoration and reconstruction of several tissues. Such scaffolds are prepared in various arrangements including sheets, powders, and hydrogels. One of the more applicable processes is using natural scaffolds, for this purpose discarded tissues or organs are naturally derived by processes that comprised decellularization of following tissues or organs. Protection of the complex structure and 3D (three dimensional) ultrastructure of the ECM is extremely necessary but it is predictable that all protocols of decellularization end in disruption of the architecture and potential loss of surface organization and configuration. Tissue decellularization with conservation of ECM bioactivity and integrity can be improved by providing well-designed protocols regarding the agents and decellularization techniques operated during processing. An overview of the characterization of decellularized scaffolds and the role of reagnets can validate the applied methods' efficacy.
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Affiliation(s)
- Layla Shojaie
- Pediatric Urology and Regenerative Medicine Research Center, Section of Tissue Engineering and Stem Cells Therapy, Children's Hospital Medical Center, Pediatric Center of Excellence, Tehran University of Medical Sciences, Tehran, Iran.,Department of Medicine Division of GI/Liver Keck School of Medicine, University of Southern California, Los Angeles, USA
| | - Yekta Rahimi
- Pediatric Urology and Regenerative Medicine Research Center, Section of Tissue Engineering and Stem Cells Therapy, Children's Hospital Medical Center, Pediatric Center of Excellence, Tehran University of Medical Sciences, Tehran, Iran
| | - Masoumeh Majidi Zolbin
- Pediatric Urology and Regenerative Medicine Research Center, Section of Tissue Engineering and Stem Cells Therapy, Children's Hospital Medical Center, Pediatric Center of Excellence, Tehran University of Medical Sciences, Tehran, Iran
| | - Faezeh Daghigh
- Department of Physiology, Tabriz Branch, Islamic Azad University, Tabriz, Iran.,Tuberculosis and Lung Disease Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Abdol-Mohammad Kajbafzadeh
- Pediatric Urology and Regenerative Medicine Research Center, Section of Tissue Engineering and Stem Cells Therapy, Children's Hospital Medical Center, Pediatric Center of Excellence, Tehran University of Medical Sciences, Tehran, Iran. .,, No. 62, Dr. Gharib's Street, Keshavarz Boulevard, (PANNEK, #6), 1419433151, Tehran, Iran.
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36
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Optimization of polycaprolactone - based nanofiber matrices for the cultivation of corneal endothelial cells. Sci Rep 2021; 11:18858. [PMID: 34552187 PMCID: PMC8458296 DOI: 10.1038/s41598-021-98426-6] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2021] [Accepted: 09/02/2021] [Indexed: 01/24/2023] Open
Abstract
Posterior lamellar transplantation of the eye’ s cornea (DSAEK, DMEK) currently is the gold standard for treating patients with corneal endothelial cell and back surface pathologies resulting in functional impairment. An artificial biomimetic graft carrying human corneal endothelium could minimize the dependency on human donor corneas giving access to this vision-restoring surgery to large numbers of patients, thus reducing current long waiting lists. In this study, four groups of electrospun nanofibrous scaffolds were compared: polycaprolactone (PCL), PCL/collagen, PCL/gelatin and PCL/chitosan. Each of the scaffolds were tissue-engineered with human corneal endothelial cells (HCEC-B4G12) and analyzed with regard to their potential application as artificial posterior lamellar grafts. Staining with ZO-1 and Na+/K+-ATPase antibodies revealed intact cell functionalities. It could be shown, that blending leads to decreasing contact angle, whereby a heterogeneous blend morphology could be revealed. Scaffold cytocompatibility could be confirmed for all groups via live/dead staining, whereby a significant higher cell viability could be observed for the collagen and gelatine blended matrices with 97 ± 3% and 98 ± 2% living cells respectively. TEM images show the superficial anchoring of the HCECs onto the scaffolds. This work emphasizes the benefit of blended PCL nanofibrous scaffolds for corneal endothelial keratoplasty.
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Park W, Gao G, Cho DW. Tissue-Specific Decellularized Extracellular Matrix Bioinks for Musculoskeletal Tissue Regeneration and Modeling Using 3D Bioprinting Technology. Int J Mol Sci 2021; 22:7837. [PMID: 34360604 PMCID: PMC8346156 DOI: 10.3390/ijms22157837] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2021] [Revised: 07/20/2021] [Accepted: 07/20/2021] [Indexed: 12/11/2022] Open
Abstract
The musculoskeletal system is a vital body system that protects internal organs, supports locomotion, and maintains homeostatic function. Unfortunately, musculoskeletal disorders are the leading cause of disability worldwide. Although implant surgeries using autografts, allografts, and xenografts have been conducted, several adverse effects, including donor site morbidity and immunoreaction, exist. To overcome these limitations, various biomedical engineering approaches have been proposed based on an understanding of the complexity of human musculoskeletal tissue. In this review, the leading edge of musculoskeletal tissue engineering using 3D bioprinting technology and musculoskeletal tissue-derived decellularized extracellular matrix bioink is described. In particular, studies on in vivo regeneration and in vitro modeling of musculoskeletal tissue have been focused on. Lastly, the current breakthroughs, limitations, and future perspectives are described.
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Affiliation(s)
- Wonbin Park
- Department of Mechanical Engineering, Pohang University of Science and Technology, Pohang 37673, Korea;
| | - Ge Gao
- Institute of Engineering Medicine, Beijing Institute of Technology, Beijing 100081, China;
| | - Dong-Woo Cho
- Department of Mechanical Engineering, Pohang University of Science and Technology, Pohang 37673, Korea;
- POSTECH-Catholic Biomedical Engineering Institute, Pohang University of Science and Technology, Pohang 37673, Korea
- Institute of Convergence Science, Yonsei University, 50 Yonsei-ro, Seodaemun-gu, Seoul 03722, Korea
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38
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Tan J, Zhang QY, Huang LP, Huang K, Xie HQ. Decellularized scaffold and its elicited immune response towards the host: the underlying mechanism and means of immunomodulatory modification. Biomater Sci 2021; 9:4803-4820. [PMID: 34018503 DOI: 10.1039/d1bm00470k] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
The immune response of the host towards a decellularized scaffold is complex. Not only can a number of immune cells influence this process, but also the characteristics, preparation and modification of the decellularized scaffold can significantly impact this reaction. Such factors can, together or alone, trigger immune cells to polarize towards either a pro-healing or pro-inflammatory direction. In this article, we have comprehensively reviewed factors which may influence the immune response of the host towards a decellularized scaffold, including the source of the biomaterial, biophysical properties or modifications of the scaffolds with bioactive peptides, drugs and cytokines. Furthermore, the underlying mechanism has also been recapitulated.
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Affiliation(s)
- Jie Tan
- Laboratory of Stem Cell and Tissue Engineering, Orthopedic Research Institute, Med-X Center for Materials, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, China.
| | - Qing-Yi Zhang
- Laboratory of Stem Cell and Tissue Engineering, Orthopedic Research Institute, Med-X Center for Materials, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, China.
| | - Li-Ping Huang
- Laboratory of Stem Cell and Tissue Engineering, Orthopedic Research Institute, Med-X Center for Materials, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, China.
| | - Kai Huang
- Laboratory of Stem Cell and Tissue Engineering, Orthopedic Research Institute, Med-X Center for Materials, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, China.
| | - Hui-Qi Xie
- Laboratory of Stem Cell and Tissue Engineering, Orthopedic Research Institute, Med-X Center for Materials, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, China.
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Sahi AK, Varshney N, Poddar S, Gundu S, Mahto SK. Fabrication and Characterization of Silk Fibroin-Based Nanofibrous Scaffolds Supplemented with Gelatin for Corneal Tissue Engineering. Cells Tissues Organs 2021; 210:173-194. [PMID: 34252899 DOI: 10.1159/000515946] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2020] [Accepted: 03/15/2021] [Indexed: 11/19/2022] Open
Abstract
Tissue engineering is a promising approach to overcome the severe worldwide shortage of healthy donor corneas. In this work, we have developed a silk-gelatin composite scaffold using electrospinning and permeation techniques to achieve the properties comparable to cornea analog. In particular, we present the fabrication and comparative evaluation of the novel gelatin sheets consisting of silk fibroin nanofibers, which are prepared using silk fibroin (SF) (in formic acid) and SF (in aqueous) electrospun scaffolds, for its suitability as corneal stromal analogs. All the fabricated samples were treated with ethanol vapor (T) to physically crosslink the silk nanofibers. Micro/nano-scale features of the fabricated scaffolds were analyzed using scanning electron microscopy micrographs. Fourier transform infrared spectroscopy revealed characteristic peaks of polymeric functional groups and modifications upon ethanol vapor treatment. Transparency of the scaffolds was determined using UV-visible spectra. Among all the fabricated samples, the gelatin-permeated SF (in formic acid; T) scaffold showed the highest level of transparency, i.e., 77.75 ± 2.3%, which is similar to that of the native cornea (∼70%-90% [variable with age group]) with healthy acute vision. Contact angle of the samples was studied to estimate the hydrophilicity of the scaffolds. All the scaffolds except non-treated SF (in aqueous; NT) were found to be significantly stable up to 14 days when incubated in phosphate buffered saline at 37°C. Treated samples showed significantly better stability, both physically and microscopically, in comparison to nontreated samples. Proliferation and viability assays of rabbit corneal fibroblast cells (SIRC) and mouse fibroblast cells (L929 RFP) when cultured on fabricated scaffolds revealed remarkable cellular compatibility with gelatin-permeated SF (in formic acid; T) scaffolds compared to SF (in aqueous; T). Unlike other reports in the existing literature, this work presents the design and development of a nanofibrous silk-gelatin composite that exhibits acceptable transparency, cellular biocompatibility, as well as improved mechanical stability comparable to that of native cornea. Therefore, we anticipate that the fabricated novel scaffold is likely to be a good candidate for corneal tissue construct. Moreover, among the fabricated scaffolds, the outcomes depict gelatin-permeated SF (in formic acid; T) composite scaffold to be a better candidate as a corneal stromal analog that carries properties of both the silk and gelatin, i.e., optimal transparency, better stability, and enhanced cytocompatibility.
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Affiliation(s)
- Ajay Kumar Sahi
- Tissue Engineering and Biomicrofluidics Laboratory, School of Biomedical Engineering, Indian Institute of Technology (Banaras Hindu University), Varanasi, India
| | - Neelima Varshney
- Tissue Engineering and Biomicrofluidics Laboratory, School of Biomedical Engineering, Indian Institute of Technology (Banaras Hindu University), Varanasi, India
| | - Suruchi Poddar
- Tissue Engineering and Biomicrofluidics Laboratory, School of Biomedical Engineering, Indian Institute of Technology (Banaras Hindu University), Varanasi, India
| | - Shravanya Gundu
- Tissue Engineering and Biomicrofluidics Laboratory, School of Biomedical Engineering, Indian Institute of Technology (Banaras Hindu University), Varanasi, India
| | - Sanjeev Kumar Mahto
- Tissue Engineering and Biomicrofluidics Laboratory, School of Biomedical Engineering, Indian Institute of Technology (Banaras Hindu University), Varanasi, India.,Centre for Advanced Biomaterials and Tissue Engineering, Indian Institute of Technology (Banaras Hindu University), Varanasi, India
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40
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Khosravimelal S, Mobaraki M, Eftekhari S, Ahearne M, Seifalian AM, Gholipourmalekabadi M. Hydrogels as Emerging Materials for Cornea Wound Healing. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2021; 17:e2006335. [PMID: 33887108 DOI: 10.1002/smll.202006335] [Citation(s) in RCA: 39] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/18/2020] [Revised: 12/15/2020] [Indexed: 06/12/2023]
Abstract
Hydrogel biomaterials have many favorable characteristics including tuneable mechanical behavior, cytocompatibility, optical properties suitable for regeneration and restoration of the damaged cornea tissue. The cornea is a tissue susceptible to various injuries and traumas with a complicated healing cascade, in which conserving its transparency and integrity is critical. Accordingly, the hydrogels' known properties along with the stimulation of nerve and cell regeneration make them ideal scaffold for corneal tissue engineering. Hydrogels have been used extensively in clinical applications for the repair and replacement of diseased organs. The development and optimizing of novel hydrogels to repair/replace corneal injuries have been the main focus of researches within the last decade. This research aims to critically review in vitro, preclinical, as well as clinical trial studies related to corneal wound healing using hydrogels in the past 10 years, as this is considered as an emerging technology for corneal treatment. Several unique modifications of hydrogels with smart behaviors have undergone early phase clinical trials and showed promising outcomes. Financially, this considers a multibillion dollars industry and with huge interest from medical devices as well as pharmaceutical industries with several products may emerge within the next five years.
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Affiliation(s)
- Sadjad Khosravimelal
- Department of Medical Biotechnology, Faculty of Allied Medicine, Iran University of Medical Sciences, Tehran, 1449614535, Iran
- Cellular and Molecular Research Centre, Iran University of Medical Sciences, Tehran, 1449614535, Iran
- Department of Tissue Engineering & Regenerative Medicine, Faculty of Advanced Technologies in Medicine, Iran University of Medical Sciences, Tehran, 1449614535, Iran
| | - Mohammadmahdi Mobaraki
- Department of Biomedical Engineering, Amirkabir University of Technology, Tehran, 1591634311, Iran
| | - Samane Eftekhari
- Department of Medical Biotechnology, Faculty of Allied Medicine, Iran University of Medical Sciences, Tehran, 1449614535, Iran
- Cellular and Molecular Research Centre, Iran University of Medical Sciences, Tehran, 1449614535, Iran
| | - Mark Ahearne
- Trinity Centre for Biomedical Engineering, School of Engineering, Trinity College Dublin, University of Dublin, Dublin, D02 R590, Republic of Ireland
| | - Alexander Marcus Seifalian
- Nanotechnology & Regenerative Medicine Commercialization Centre (NanoRegMed Ltd), London BioScience Innovation Centre, London, NW1 0NH, UK
| | - Mazaher Gholipourmalekabadi
- Cellular and Molecular Research Centre, Iran University of Medical Sciences, Tehran, 1449614535, Iran
- Department of Tissue Engineering & Regenerative Medicine, Faculty of Advanced Technologies in Medicine, Iran University of Medical Sciences, Tehran, 1449614535, Iran
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Fernández-Pérez J, Madden PW, Brady RT, Nowlan PF, Ahearne M. The effect of prior long-term recellularization with keratocytes of decellularized porcine corneas implanted in a rabbit anterior lamellar keratoplasty model. PLoS One 2021; 16:e0245406. [PMID: 34061862 PMCID: PMC8168847 DOI: 10.1371/journal.pone.0245406] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2020] [Accepted: 05/19/2021] [Indexed: 12/13/2022] Open
Abstract
Decellularized porcine corneal scaffolds are a potential alternative to human cornea for keratoplasty. Although clinical trials have reported promising results, there can be corneal haze or scar tissue. Here, we examined if recellularizing the scaffolds with human keratocytes would result in a better outcome. Scaffolds were prepared that retained little DNA (14.89 ± 5.56 ng/mg) and demonstrated a lack of cytotoxicity by in vitro. The scaffolds were recellularized using human corneal stromal cells and cultured for between 14 in serum-supplemented media followed by a further 14 days in either serum free or serum-supplemented media. All groups showed full-depth cell penetration after 14 days. When serum was present, staining for ALDH3A1 remained weak but after serum-free culture, staining was brighter and the keratocytes adopted a native dendritic morphology with an increase (p < 0.05) of keratocan, decorin, lumican and CD34 gene expression. A rabbit anterior lamellar keratoplasty model was used to compare implanting a 250 μm thick decellularized lenticule against one that had been recellularized with human stromal cells after serum-free culture. In both groups, host rabbit epithelium covered the implants, but transparency was not restored after 3 months. Post-mortem histology showed under the epithelium, a less-compact collagen layer, which appeared to be a regenerating zone with some α-SMA staining, indicating fibrotic cells. In the posterior scaffold, ALDH1A1 staining was present in all the acellular scaffold, but in only one of the recellularized lenticules. Since there was little difference between acellular and cell-seeded scaffolds in our in vivo study, future scaffold development should use acellular controls to determine if cells are necessary.
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Affiliation(s)
- Julia Fernández-Pérez
- Department of Mechanical, Manufacturing and Biomedical Engineering, School of Engineering, Trinity College Dublin, University of Dublin, Dublin, Ireland
- Trinity Centre for Biomedical Engineering, Trinity Biomedical Science Institute, Trinity College Dublin, University of Dublin, Dublin, Ireland
| | - Peter W. Madden
- Department of Mechanical, Manufacturing and Biomedical Engineering, School of Engineering, Trinity College Dublin, University of Dublin, Dublin, Ireland
- Trinity Centre for Biomedical Engineering, Trinity Biomedical Science Institute, Trinity College Dublin, University of Dublin, Dublin, Ireland
| | - Robert Thomas Brady
- Department of Ophthalmology, Mater Misericordiae University Hospital, Dublin, Ireland
| | - Peter F. Nowlan
- School of Natural Sciences, Trinity College Dublin, University of Dublin, Dublin, Ireland
| | - Mark Ahearne
- Department of Mechanical, Manufacturing and Biomedical Engineering, School of Engineering, Trinity College Dublin, University of Dublin, Dublin, Ireland
- Trinity Centre for Biomedical Engineering, Trinity Biomedical Science Institute, Trinity College Dublin, University of Dublin, Dublin, Ireland
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Isidan A, Liu S, Chen AM, Zhang W, Li P, Smith LJ, Hara H, Cooper DKC, Ekser B. Comparison of porcine corneal decellularization methods and importance of preserving corneal limbus through decellularization. PLoS One 2021; 16:e0243682. [PMID: 33667231 PMCID: PMC7935270 DOI: 10.1371/journal.pone.0243682] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2020] [Accepted: 02/02/2021] [Indexed: 02/06/2023] Open
Abstract
Background The aim of this study is to compare the three previously applied, conventional porcine corneal decellularization methods and to demonstrate the importance of preserving the corneal limbus through decellularization. Methods Fresh, wild-type (with or without) limbus porcine corneas were decellularized using three different methods, including (i) sodium dodecyl sulfate (SDS), (ii) hypertonic saline (HS), and (iii) N2 gas (NG). Post-treatment evaluation was carried out using histological, residual nuclear material, and ultrastructural analyses. Glycerol was used to help reduce the adverse effects of decellularization. The corneas were preserved for two weeks in cornea storage medium. Results All three decellularization methods reduced the number of keratocytes at different rates in the stromal tissue. However, all methods, except SDS, resulted in the retention of large numbers of cells and cell fragments. The SDS method (0.1% SDS, 48h) resulted in almost 100% decellularization in corneas without limbus. Low decellularization capacity of the NG method (<50%) could make it unfavorable. Although HS method had a more balanced damage-decellularization ratio, its decellularization capacity was lower than SDS method. Preservation of the corneoscleral limbus could partially prevent structural damage and edema, but it would reduce the decellularization capacity. Conclusion Our results suggest that SDS is a very powerful decellularization method, but it damages the cornea irreversibly. Preserving the corneoscleral limbus reduces the efficiency of decellularization, but also reduces the damage.
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Affiliation(s)
- Abdulkadir Isidan
- Transplant Division, Department of Surgery, Indiana University School of Medicine, Indianapolis, Indianapolis, United States of America
| | - Shaohui Liu
- Department of Ophthalmology, Glick Eye Institute, Indiana University School of Medicine, Indianapolis, Indianapolis, United States of America
| | - Angela M. Chen
- Transplant Division, Department of Surgery, Indiana University School of Medicine, Indianapolis, Indianapolis, United States of America
| | - Wenjun Zhang
- Transplant Division, Department of Surgery, Indiana University School of Medicine, Indianapolis, Indianapolis, United States of America
| | - Ping Li
- Transplant Division, Department of Surgery, Indiana University School of Medicine, Indianapolis, Indianapolis, United States of America
| | - Lester J. Smith
- 3D Bioprinting Core, Indiana University School of Medicine, Indianapolis, Indianapolis, United States of America
- Department of Radiology and Imaging Sciences, Indiana University of School of Medicine, Indianapolis, Indianapolis, United States of America
| | - Hidetaka Hara
- Xenotransplantation Program, Department of Surgery, University of Birmingham at Alabama, Birmingham, Alabama, United States of America
| | - David K. C. Cooper
- Xenotransplantation Program, Department of Surgery, University of Birmingham at Alabama, Birmingham, Alabama, United States of America
| | - Burcin Ekser
- Transplant Division, Department of Surgery, Indiana University School of Medicine, Indianapolis, Indianapolis, United States of America
- * E-mail:
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Nouri Barkestani M, Naserian S, Uzan G, Shamdani S. Post-decellularization techniques ameliorate cartilage decellularization process for tissue engineering applications. J Tissue Eng 2021; 12:2041731420983562. [PMID: 33738088 PMCID: PMC7934046 DOI: 10.1177/2041731420983562] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2020] [Accepted: 12/06/2020] [Indexed: 12/17/2022] Open
Abstract
Due to the current lack of innovative and effective therapeutic approaches, tissue engineering (TE) has attracted much attention during the last decades providing new hopes for the treatment of several degenerative disorders. Tissue engineering is a complex procedure, which includes processes of decellularization and recellularization of biological tissues or functionalization of artificial scaffolds by active cells. In this review, we have first discussed those conventional steps, which have led to great advancements during the last several years. Moreover, we have paid special attention to the new methods of post-decellularization that can significantly ameliorate the efficiency of decellularized cartilage extracellular matrix (ECM) for the treatment of osteoarthritis (OA). We propose a series of post-decellularization procedures to overcome the current shortcomings such as low mechanical strength and poor bioactivity to improve decellularized ECM scaffold towards much more efficient and higher integration.
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Affiliation(s)
| | - Sina Naserian
- INSERM UMR-S-MD 1197, Hôpital Paul Brousse, Villejuif, France.,Université Paris-Saclay, CNRS, Centre de Nanosciences et Nanotechnologies C2N, UMR9001, Palaiseau, France.,CellMedEx, Saint Maur Des Fossés, France
| | - Georges Uzan
- INSERM UMR-S-MD 1197, Hôpital Paul Brousse, Villejuif, France.,Paris-Saclay University, Villejuif, France
| | - Sara Shamdani
- INSERM UMR-S-MD 1197, Hôpital Paul Brousse, Villejuif, France.,CellMedEx, Saint Maur Des Fossés, France
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Aghamollaei H, Hashemian H, Safabakhsh H, Halabian R, Baghersad M, Jadidi K. Safety of grafting acellular human corneal lenticule seeded with Wharton's Jelly-Derived Mesenchymal Stem Cells in an experimental animal model. Exp Eye Res 2021; 205:108451. [PMID: 33539864 DOI: 10.1016/j.exer.2021.108451] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2020] [Revised: 12/01/2020] [Accepted: 01/15/2021] [Indexed: 12/13/2022]
Abstract
The present study was conducted to evaluate safety of grafting acellular human corneal lenticule seeded with Wharton's Jelly-derived Mesenchymal Stem Cells (WJSC) in an experimental animal model. Human corneal lenticules were decellularized with a rate of about 97% with an acceptable lack of cytotoxicity and relatively intact ultrastructure of the lenticules. 12 rabbits underwent unilateral stromal pocketing with implantation of decellularized lenticules. Implantation was performed for 6 rabbits along with graft recellularization with WJSCs. Rabbits were euthanized after 1 month (n = 6) and 3 months (n = 6) to evaluate progression of graft bio-integration. No clinical rejection sign was detected during the study. Histopathological analysis showed that, grafts were integrated well with the least distortion of surrounding collagen bundles. After 3 months, labeled WJCS was detected representing viability of stem cells in the host. Increased expression of keratocyte-specific markers showed the potential of recruiting WJSCs as keratocyte progenitor cells to reinforce corneal ultrastructure.
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Affiliation(s)
- Hossein Aghamollaei
- Chemical Injuries Research Center, Systems Biology and Poisonings Institute, Baqiyatallah University of Medical Sciences, Tehran, Iran; Applied Biotechnology Research Center, Baqiyatallah University of Medical Sciences, Tehran, Iran.
| | - Hesam Hashemian
- Farabi Eye Hospital, Tehran University of Medical Sciences, Tehran, Iran
| | - Hamidreza Safabakhsh
- Applied Biotechnology Research Center, Baqiyatallah University of Medical Sciences, Tehran, Iran
| | - Raheleh Halabian
- Applied Microbiology Research Center, Systems Biology and Poisonings Institute, Baqiyatallah University of Medical Sciences, Tehran, Iran
| | - Mahdi Baghersad
- Chemical Injuries Research Center, Systems Biology and Poisonings Institute, Baqiyatallah University of Medical Sciences, Tehran, Iran
| | - Khosrow Jadidi
- Chemical Injuries Research Center, Systems Biology and Poisonings Institute, Baqiyatallah University of Medical Sciences, Tehran, Iran.
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Rabbani M, Zakian N, Alimoradi N. Contribution of Physical Methods in Decellularization of Animal Tissues. JOURNAL OF MEDICAL SIGNALS & SENSORS 2021; 11:1-11. [PMID: 34026585 PMCID: PMC8043117 DOI: 10.4103/jmss.jmss_2_20] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2020] [Revised: 02/19/2020] [Accepted: 07/19/2020] [Indexed: 01/12/2023]
Abstract
Biologic scaffolds composed of extracellular matrix (ECM) are frequently used for clinical purposes of tissue regeneration. Different methods have been developed for this purpose. All methods of decellularization including chemical and physical approaches leave some damage on the ECM; however, the effects of these methods are different which make some of these procedures more proper to maintain ECM structure than other methods. This review is aimed to introduce and compare new physical methods for the decellularization of different tissues and organs in tissue engineering. All recent reports and research that have used at least one physical method in the procedure of decellularization, were included and evaluated in this paper. The advantages and drawbacks of each method were examined and compared considering the effectiveness. This review tried to highlight the prospective potentials and benefits of applying physical methods for decellularization protocols in tissue engineering instead of the current chemical methods. These chemical methods are harsh in nature and were shown to be destructive and harmful to essential substances of ECM and scaffold structure. Therefore, using physical methods as a partial or even a whole protocol could save time, costs, and quality of the final acellular tissue in complicated decellularization procedures. Moreover, regarding the control factor that could be achieved easily with physical methods, optimization of different decellularization protocols would be quite satisfactory. Combined methods take advantage of both chemical and physical approaches.
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Affiliation(s)
- Mohsen Rabbani
- Department of Biomedical Engineering, University of Isfahan, Isfahan, Iran
| | - Nasrin Zakian
- Department of Biomedical Engineering, University of Isfahan, Isfahan, Iran
| | - Nima Alimoradi
- Department of Biomedical Engineering, University of Isfahan, Isfahan, Iran
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46
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Yoon CH, Choi HJ, Kim MK. Corneal xenotransplantation: Where are we standing? Prog Retin Eye Res 2021; 80:100876. [PMID: 32755676 PMCID: PMC7396149 DOI: 10.1016/j.preteyeres.2020.100876] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2020] [Revised: 05/23/2020] [Accepted: 06/04/2020] [Indexed: 02/08/2023]
Abstract
The search for alternatives to allotransplants is driven by the shortage of corneal donors and is demanding because of the limitations of the alternatives. Indeed, current progress in genetically engineered (GE) pigs, the introduction of gene-editing technology by clustered regularly interspaced short palindromic repeats (CRISPR)-Cas9, and advanced immunosuppressants have made xenotransplantation a possible option for a human trial. Porcine corneal xenotransplantation is considered applicable because the eye is regarded as an immune-privileged site. Furthermore, recent non-human primate studies have shown long-term survival of porcine xenotransplants in keratoplasty. Herein, corneal immune privilege is briefly introduced, and xenogeneic reactions are compared with allogeneic reactions in corneal transplantation. This review describes the current knowledge on special issues of xenotransplantation, xenogeneic rejection mechanisms, current immunosuppressive regimens of corneal xenotransplantation, preclinical efficacy and safety data of corneal xenotransplantation, and updates of the regulatory framework to conduct a clinical trial on corneal xenotransplantation. We also discuss barriers that might prevent xenotransplantation from becoming common practice, such as ethical dilemmas, public concerns on xenotransplantation, and the possible risk of xenozoonosis. Given that the legal definition of decellularized porcine cornea (DPC) lies somewhere between a medical device and a xenotransplant, the preclinical efficacy and clinical trial data using DPC are included. The review finally provides perspectives on the current standpoint of corneal xenotransplantation in the fields of regenerative medicine.
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Affiliation(s)
- Chang Ho Yoon
- Department of Ophthalmology, Seoul National University College of Medicine, Seoul, Republic of Korea; Laboratory of Ocular Regenerative Medicine and Immunology, Seoul Artificial Eye Center, Seoul National University Hospital Biomedical Research Institute, Seoul, Republic of Korea
| | - Hyuk Jin Choi
- Department of Ophthalmology, Seoul National University College of Medicine, Seoul, Republic of Korea; Laboratory of Ocular Regenerative Medicine and Immunology, Seoul Artificial Eye Center, Seoul National University Hospital Biomedical Research Institute, Seoul, Republic of Korea; Department of Ophthalmology, Seoul National University Hospital Healthcare System Gangnam Center, Seoul, Republic of Korea
| | - Mee Kum Kim
- Department of Ophthalmology, Seoul National University College of Medicine, Seoul, Republic of Korea; Laboratory of Ocular Regenerative Medicine and Immunology, Seoul Artificial Eye Center, Seoul National University Hospital Biomedical Research Institute, Seoul, Republic of Korea.
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47
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Alekseev ES, Alentiev AY, Belova AS, Bogdan VI, Bogdan TV, Bystrova AV, Gafarova ER, Golubeva EN, Grebenik EA, Gromov OI, Davankov VA, Zlotin SG, Kiselev MG, Koklin AE, Kononevich YN, Lazhko AE, Lunin VV, Lyubimov SE, Martyanov ON, Mishanin II, Muzafarov AM, Nesterov NS, Nikolaev AY, Oparin RD, Parenago OO, Parenago OP, Pokusaeva YA, Ronova IA, Solovieva AB, Temnikov MN, Timashev PS, Turova OV, Filatova EV, Philippov AA, Chibiryaev AM, Shalygin AS. Supercritical fluids in chemistry. RUSSIAN CHEMICAL REVIEWS 2020. [DOI: 10.1070/rcr4932] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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48
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Abaci A, Guvendiren M. Designing Decellularized Extracellular Matrix-Based Bioinks for 3D Bioprinting. Adv Healthc Mater 2020; 9:e2000734. [PMID: 32691980 DOI: 10.1002/adhm.202000734] [Citation(s) in RCA: 66] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2020] [Revised: 06/10/2020] [Indexed: 12/17/2022]
Abstract
3D bioprinting is an emerging technology to fabricate tissues and organs by precisely positioning cells into 3D structures using printable cell-laden formulations known as bioinks. Various bioinks are utilized in 3D bioprinting applications; however, developing the perfect bioink to fabricate constructs with biomimetic microenvironment and mechanical properties that are similar to native tissues is a challenging task. In recent years, decellularized extracellular matrix (dECM)-based bioinks have received an increasing attention in 3D bioprinting applications, since they are derived from native tissues and possess unique, complex tissue-specific biochemical properties. This review focuses on designing dECM-based bioinks for tissue and organ bioprinting, including commonly used decellularization and decellularized tissue characterization methods, bioink formulation and characterization, applications of dECM-based bioinks, and most recent advancements in dECM-based bioink design.
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Affiliation(s)
- Alperen Abaci
- Instructive Biomaterials and Additive Manufacturing Laboratory Otto H. York Chemical and Materials Engineering 138 York Center New Jersey Institute of Technology University Heights Newark NJ 07102 USA
| | - Murat Guvendiren
- Instructive Biomaterials and Additive Manufacturing Laboratory Otto H. York Chemical and Materials Engineering 138 York Center New Jersey Institute of Technology University Heights Newark NJ 07102 USA
- Department of Biomedical Engineering New Jersey Institute of Technology University Heights Newark NJ 07102 USA
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Nosrati H, Abpeikar Z, Mahmoudian ZG, Zafari M, Majidi J, Alizadeh A, Moradi L, Asadpour S. Corneal epithelium tissue engineering: recent advances in regeneration and replacement of corneal surface. Regen Med 2020; 15:2029-2044. [PMID: 33169642 DOI: 10.2217/rme-2019-0055] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Currently, many corneal diseases are treated by corneal transplantation, artificial corneal implantation or, in severe cases, keratoprosthesis. Owing to the shortage of cornea donors and the risks involved with artificial corneal implants, such as infection transmission, researchers continually seek new approaches for corneal regeneration. Corneal tissue engineering is a promising approach that has attracted much attention from researchers and is focused on regenerative strategies using various biomaterials in combination with different cell types. These constructs should have the ability to mimic the native tissue microenvironment and present suitable optical, mechanical and biological properties. In this article, we review studies that have focused on the current clinical techniques for corneal replacement. We also describe tissue-engineering and cell-based approaches for corneal regeneration.
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Affiliation(s)
- Hamed Nosrati
- Department of Tissue Engineering & Applied Cell Sciences, School of Advanced Technologies, Shahrekord University of Medical Sciences, Shahrekord, Iran
| | - Zahra Abpeikar
- Department of Tissue Engineering & Applied Cell Sciences, School of Advanced Technologies, Shahrekord University of Medical Sciences, Shahrekord, Iran
| | - Zahra Gholami Mahmoudian
- Department of Anatomical Sciences, Medical School, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Mahdi Zafari
- Department of Bacteriology, Pasteur Institute of Iran, Tehran, Iran
| | - Jafar Majidi
- Cellular & Molecular Research Center, Basic Health Science Institute, Shahrekord University of Medical Sciences, Shahrekord, Iran
| | - Akram Alizadeh
- Department of Tissue Engineering & Applied Cell Sciences, Faculty of Medicine, Semnan University of Medical Sciences, Semnan, Iran
| | - Lida Moradi
- The Ronald O Perelman Department of Dermatology, New York University, School of Medicine, New York, NY 10016, USA.,Department of Cell Biology, New York University, School of Medicine, New York, NY, 10016 USA
| | - Shiva Asadpour
- Department of Tissue Engineering & Applied Cell Sciences, School of Advanced Technologies, Shahrekord University of Medical Sciences, Shahrekord, Iran.,Cellular & Molecular Research Center, Basic Health Science Institute, Shahrekord University of Medical Sciences, Shahrekord, Iran
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Zheng Q, Zhang Y, Ren Y, Zhao Z, Hua S, Li J, Wang H, Ye C, Kim AD, Wang L, Chen W. Deep anterior lamellar keratoplasty with cross-linked acellular porcine corneal stroma to manage fungal keratitis. Xenotransplantation 2020; 28:e12655. [PMID: 33103812 DOI: 10.1111/xen.12655] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2020] [Revised: 08/31/2020] [Accepted: 09/23/2020] [Indexed: 01/25/2023]
Abstract
PURPOSE To evaluate the effects of deep anterior lamellar keratoplasty (DALK) with cross-linked acellular porcine corneal stroma (APCS) and post-operative topical tacrolimus treatment in patients with fungal keratitis. METHODS This multicenter prospective study involved 25 cases of fungal keratitis that were treated by DALK with cross-linked APCSs and post-operative topical tacrolimus from December 2013 to November 2014 at the Wenzhou Eye Hospital and the Henan provincial Eye Hospital. Signs of post-operative inflammation, corneal reepithelialization, corneal neovascularization, and graft rejection were assessed, and best corrected visual acuity (BCVA), intraocular pressure (IOP), and APCS graft transparency were monitored for the 12-month follow-up period. RESULTS All 25 patients underwent DALK without Descemet's membrane perforation. Corneal epithelium recovered completely in 17 patients in the first week, and APCS grafts maintained transparency in 18 patients at 1-year follow-up. The mean BCVA significantly improved from 2.16 ± 0.32 (LogMAR) at baseline to 1.56 ± 0.70 at 1-week (P < .001), 0.95 ± 0.57 at 1-month (P < .001), and 0.70 ± 0.51 at 3-month follow-ups (P < .001). The BCVA kept stable at 6-month and 12-month follow-ups. Post-operative topical tacrolimus alleviated the ciliary injection, except in one case which acute stromal rejection occurred. One patient developed fungal reinfection and underwent penetrating keratoplasty. Graft rejection occurred in three patients. No case was noted with graft splitting, elevated IOP or tacrolimus intolerance. CONCLUSIONS DALK using cross-linked APCS combining topical tacrolimus treatment is safe and effective in managing fungal keratitis. It may ameliorate the shortage of corneal donation globally.
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Affiliation(s)
- Qinxiang Zheng
- School of Ophthalmology and Optometry, Wenzhou Medical University, Zhejiang, China
| | - Yueqin Zhang
- Henan Eye Institute, Henan Eye Hospital, Henan Provincial People's Hospital, Zhengzhou, China
| | - Yueping Ren
- School of Ophthalmology and Optometry, Wenzhou Medical University, Zhejiang, China
| | - Zelin Zhao
- School of Ophthalmology and Optometry, Wenzhou Medical University, Zhejiang, China
| | - Shanshan Hua
- School of Ophthalmology and Optometry, Wenzhou Medical University, Zhejiang, China
| | - Jinyang Li
- School of Ophthalmology and Optometry, Wenzhou Medical University, Zhejiang, China
| | - Haiou Wang
- School of Ophthalmology and Optometry, Wenzhou Medical University, Zhejiang, China
| | - Cong Ye
- School of Ophthalmology and Optometry, Wenzhou Medical University, Zhejiang, China
| | - Andy D Kim
- Department of Ophthalmology, New Zealand National Eye Centre, The University of Auckland, Auckland, New Zealand
| | - Liya Wang
- Henan Eye Institute, Henan Eye Hospital, Henan Provincial People's Hospital, Zhengzhou, China
| | - Wei Chen
- School of Ophthalmology and Optometry, Wenzhou Medical University, Zhejiang, China
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